| This pH Test Kit is perfect for easy pH tests.The test kit includes: 1 fluid ounces of indicator solution, dropper bottle, color chart and test vial. Simply fill the test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the resulting color inthe test vial. Red means the pH is too low, blue means the pH is too high (basic or alkaline), yellow to yellow-green is ideal. Very reliable and simple to use."
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