Cutting Edge Solutions pH Up, 1 qt, case of 12Description CES pH Up: This is a concentrated pH adjustment liquid. This alkaline buffer is specifically designed to raise the pH level of your water and nutrient solution. Due to its potent nature, it should be used with caution. To apply, add the product to pure water or nutrient solution in small, gradual increments, while noting the initial reading and then testing the pH. Repeat this step by step application process and ensure thorough stirring