Radongrow - Model PH Up-500 -Nutrient PH

Each Pack Contains pH Up 500 ml. Instructions: Use sparingly - add to the nutrient solution, a little at a time, then test pH. Repeat application, then tests, until the desired pH is achieved. The quantity necessary for pH adjustment will vary depending on the strength of the nutrient and the purity of the water used to mix nutrients. This product up nutrient pH. Recommended pH for most plants is 5.5 to 6.5.