Quick view Details General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons MSRP: $1,558.34 Now: $1,261.99 Compare Quick view Details General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons MSRP: $170.00 Now: $135.95 Compare Quick view Details General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon MSRP: $36.58 Now: $32.99 Compare Quick view Details General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart MSRP: Now: $14.49 Compare Quick view Details General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart MSRP: Now: $15.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons MSRP: $170.00 Now: $135.95 Compare Quick view Details General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon MSRP: $36.58 Now: $32.99 Compare Quick view Details General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart MSRP: Now: $14.49 Compare Quick view Details General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart MSRP: Now: $15.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon MSRP: $36.58 Now: $32.99 Compare Quick view Details General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart MSRP: Now: $14.49 Compare Quick view Details General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart MSRP: Now: $15.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart MSRP: Now: $14.49 Compare Quick view Details General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart MSRP: Now: $15.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart MSRP: Now: $15.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon MSRP: Now: $29.99 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons MSRP: $350.00 Now: $279.95 Add to Cart Compare Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHHM55G General Hydroponics FloraMicro Hardwater 55 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $1,558.34 Now: $1,261.99 Compare Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHHM6G General Hydroponics FloraMicro Hardwater 6 Gallons FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $170.00 Now: $135.95 Compare Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHHMGA General Hydroponics FloraMicro Hardwater Gallon FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: $36.58 Now: $32.99 Compare Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHHMQT General Hydroponics FloraMicro Hardwater Quart FLORAMICRO HARDWATER (5-0-1): If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original... MSRP: Now: $14.49 Compare Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHMIQT General Hydroponics FloraMicro Quart FLORAMICRO (5-0-1): The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements. The original Building-Block Nutrient System, often imitated but never... MSRP: Now: $15.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHPH48 General Hydroponics pH 4.01 Calibration Solution 8 oz pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHBLGA General Hydroponics FloraBloom Gallon FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: Now: $29.99 Add to Cart Compare Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHPH4QT General Hydroponics pH 4.01 Calibration Solution Quart pH 4.01 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $21.50 Now: $16.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHBL2G General Hydroponics FloraBloom 2.5 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $69.40 Now: $62.49 Add to Cart Compare Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHBL6G General Hydroponics FloraBloom 6 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $140.00 Now: $126.46 Add to Cart Compare Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected × OK
Quick view General Hydroponics | sku: GHPH78 General Hydroponics pH 7.0 Calibration Solution 8 oz pH 7.0 Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442... MSRP: $7.54 Now: $6.95 Add to Cart Compare Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected
Quick view General Hydroponics | sku: GHBL15G General Hydroponics FloraBloom 15 Gallons FLORABLOOM (0-5-4): Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorus, potassium, magnesium, and sulfur. The original Building-Block... MSRP: $350.00 Now: $279.95 Add to Cart Compare Previous 8 9 10 11 12 13 14 Next Previous 8 9 10 11 12 13 14 Next Compare Selected
