General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo Plastic Tubing Celebrated as the nation's oldest

Celebrated as the nation's oldest and largest manufacturer of hydroponic equipment and grow lights

Assembled Product Dimensions (L x W x H)

5 Pound Kit contains: 1LB MasterBlend

Much convenient than starting in the soil

General Hydroponics pH Control Test Kit - GH 8 oz Up Down Adjustment Combo Plastic Tubing Celebrated as the nation's oldestContains 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). This is the ORIGINAL factory sealed General Hydroponics pH