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General Hydroponics pH Test Indicator - 8 Oz.

General Hydroponics pH Test Indicator - 8 Oz.

General Hydroponics pH Test Indicator - 8 Oz.
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Many experienced growers prefer the General Hydroponics pH Test Kit to expensive electronic meters because of its reliability and ease of use.
These are important factors when the health of a valuable crop is at stake.

To test the pH level simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and then observe the coloration of the liquid in the test vial.
Use 3 drops per 5mL of solution.

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