Hanna GroLine Waterproof Hydroponic pH Tester HI98118 Harvesting + Processing Buffered and Low EC: The

Buffered and Low EC: The coco coir is buffered and has very low EC

12" diameter

while the perlite enhances drainage and aeration

Active Aqua 75 gal Reservoir Cover

Hanna GroLine Waterproof Hydroponic pH Tester HI98118 Harvesting + Processing Buffered and Low EC: TheHanna GroLine Waterproof Hydroponic pH Tester HI98118 The Hanna GroLine Waterproof Hydroponic pH Tester (HI98118) is Hanna Instruments 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 Hanna GroLine Waterproof Hydroponic pH Tester has a very large and easy to read LCD display that shows both pH and temperature along