pH Control Kit

pH control is essential for 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 slow growth, sickly plants and low yields.
 
The pH scale measures acidity or alkalinity on a scale of 0 to 14. Below 7.0 the pH is acidic. Above 7.0, the pH is alkaline (basic). 7.0 is "neutral". The best pH for plat growth is generally in the range of 5.5 to 6.5 -- slightly acidic.