Bluelab pH Down, L

Use Bluelab® pH Up and Down to adjust nutrient solutions to the optimum range of pH and improve nutrient availability to plants. Bluelab's pH Down is made of 35 percent w/w (certified) phosphoric acid, and pH Up is made of 35 percent w/w (certified) potassium hydroxide. The premium-quality acid concentrations are easy to use in any growing system. Use undiluted with Bluelab pH Controllers and Bluelab pH Controller Connect.