General Hydroponics pH Test Color Match Control Kit Hydrofarm potting mix

potting mix

RHP certified

Versatile Application: Our ClO2 Fast Release is suitable for various environments

High-output 12-inch exhaust fan for grow rooms and greenhouses

General Hydroponics pH Test Color Match Control Kit Hydrofarm potting mixContains 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), and 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).