GH pH Control Kit
25 coupons
General Hydroponics pH Control Kit is the entire pH maintenance collection rolled into one bundle. The kit includes everything you'll need to stabilize pH levels and optimize hydroponic systems for plant health. Inside the pH Kit, you'll find GH pH Down (80z), GH pH Up (8oz), and pH Test Indicator (1 oz). Don't worry; a pH color-coded chart and test vial are also included for ease of use.
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