General Hydroponics pH Test Indicator - 8 Oz. Reviews

Monday, September 3, 2012 , , , 0

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. Use 3 drops per 5mL of solution.

General Hydroponics GH1516
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General Hydroponics pH Test Indicator - 8 Oz. GH1516 Features

  • pH Test Indicator 8 oz


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