General Hydroponics pH Test Color Match Control Kit Hydrofarm mineral buildup

mineral buildup

The compact design allows this sensor to be easily installed in most applications

Compact and Convenient:

Commercial growers rely on this professional-grade solution to maintain consistent quality and high-value results across every harvest cycle

RHP certified

General Hydroponics pH Test Color Match Control Kit Hydrofarm mineral buildupContains 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).