Product Description
The Bluelab pH & PPM Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients.
The PH pen features:
* Measures pH and temperature
* Selectable units for è_C & è_F
* Backlit LCD display
* Double junction probe (not replaceable)
* Successful calibration indicator
* Hold function
* Low battery warning
* Fully waterproof
* Auto off function
* Automatic temperature compensation
The PPM pen features:
* Measures conductivity and temperature
* Selectable units for conductivity and temperature
* Backlit LCD display
* Calibration optional
* Successful calibration indicator
* Hold function
* Low battery warning
* Fully waterproof
* Auto off function
* Automatic temperature compensation
Both come with a 1 year warranty!