GroLine Waterproof Hydroponic pH Tester pots-and-containers • 40 Amp Resistive

• 40 Amp Resistive

or hanging

VermiPro™ is a soilless growing medium equipped with extremely high porosity which allows for aggressive feedings

and longevity to grow sunup to sundown to sunup…year-round

no wasted substrate

GroLine Waterproof Hydroponic pH Tester pots-and-containers • 40 Amp ResistiveThe GroLine HI98118 pH temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very large easy to read LCD display that shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter