Feature

●Fill a test-tube halfway with nutrient
●Add a few drops of pH Test Indicator
●Observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution

[Reference Solution 8-Ounce]

[pH Testing 8-Ounce]

[Calibration Solution 8-Ounce]

[4.01 Calibration Solution 1 quart]

Description

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.