pH Control Kit Includes:
• Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level)
• Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level)
• Ph Test Indicator (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).