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Serving the community since 2001

GH pH Test Indicator 8 Ounce

General Hydroponics pH Test Indicator 8 Ounce

Test Kits make pH testing easy.

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 experienced growers prefer our pH Test Kit to expensive electronic meters because it is reliable and easy of use.