pH-Up 0-0-5 is a Dyna-Gro product used to raise the pH of water.
What is pH?
pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5.5 and 6.5 for maximum nutrient absorbency
Before adding the nutrient solution:
Using a pH meter to measure the acidity or alkalinity of the water. If the pH is higher than 6.5, add pH-Down to nutrient solution in ½ tsp. per gallon increments until desired pH is achieved.
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