pH
pH is the scale we use to specify the acidity or alkalinity of a liquid. 5.5-6.5 is a good range for hydroponics, 6.0-7.0 is a good range for soil.
pH is the scale we use to specify the acidity or alkalinity of a liquid. 5.5-6.5 is a good range for hydroponics, 6.0-7.0 is a good range for soil.