Cutting Edge Solutions pH Down, 1 qt, case of 12Description CES pH Down: This is a concentrated pH adjustment liquid. This acidic buffer works to lower the pH of water and nutrient solutions. Because it's highly concentrated, it should be used with caution. It should be gradually added to pure water or a nutrient solution in small increments. After each addition, the pH should be tested. You should repeat this gradual application and stirring process until you achieve the desired pH. The amount of