Quick view Details Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Details Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Details Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Details Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Details Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 MSRP: $351.32 Now: $299.95 Add to Cart Compare Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Details Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Details Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Details Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 MSRP: $351.32 Now: $299.95 Add to Cart Compare Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Details Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Details Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 MSRP: $351.32 Now: $299.95 Add to Cart Compare Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
SALE Quick view Details Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare
Quick view Details Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Details Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 MSRP: $351.32 Now: $299.95 Add to Cart Compare Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
SALE Quick view Details Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare
Quick view Details Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Details Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 MSRP: $351.32 Now: $299.95 Add to Cart Compare Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 MSRP: $351.32 Now: $299.95 Add to Cart Compare Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Grodan | sku: GR12S Grodan Classic Slab 12" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $16.70 Now: $13.95 Add to Cart Compare Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Grodan | sku: GR9S Grodan Uni-Slab 9.5" x 4" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.15 Now: $5.49 Add to Cart Compare Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Grodan | sku: GR8S Grodan Expert Slab 8" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $11.66 Now: $9.95 Add to Cart Compare SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
SALE Quick view Grodan | sku: GR6S Grodan Expert Slab 6" x 3" x 36" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.98 Was: $7.95 Now: $6.95 Add to Cart Compare
Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
SALE Quick view Grodan | sku: GRAB Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Was: $72.99 Now: $64.95 Add to Cart Compare
Quick view Grodan | sku: GRGC11 Grodan Grow Cubes, 1 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $28.46 Now: $24.95 Add to Cart Compare Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected
Quick view Grodan | sku: GRPLUGC Grodan Macro Plug Round With Slit, Bulk Box of 2000 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $351.32 Now: $299.95 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected
