ph Control Kit

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General Hydroponics pH Test Kit makes pH testing easy. Fill the vial halfway with nutrient, add a few drops of pH Test Indicator (Use 3 drops per 5 ml of solution), and observe the coloration of the liquid in the test vial. Many experienced growers prefer this pH Test Kit to expensive electronic meters because it is reliable and easy to use. pH Control is essential for simulating vigorous plant growth. Nutrient solution pH that is too high (basic) or too low (acidic), cannot be properly absorbed by plants. Incorrect nutrient solution pH can cause issues such as slow growth, sick plants and low yields. The pH scale measures acidity or alkalinity on a scale of 0 - 14. Below 7.0, the pH is acidic. Above 7.0, the pH is alkaline (basic). 7.0 is "neutral". The best pH for plant growth is generally in the range of 5.5 - 6.5 -- slightly acidic. General Hydroponic's pH Control Kit contains: 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator, pipette, and vial. Show more