on all orders over $59
General Hydroponics pH Control Kit for a Balanced Nutrient Solution, 1 Pack
- General Hydroponics pH control kit contains 8 ounce pH up, 8 ounce pH down, 1 ounce indicator and vial
- General hydroponics pH control kit makes pH testing easy
- Simply fill a test-tube halfway with nutrient, add a few drops of pH test Indicator, and observe the coloration of the liquid in the test vial
- Many growers prefer our pH test kit to expensive electronic meters because of its reliability and ease of use
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