Advanced Nutrients pH Up is the most concentrated pH adjuster there is on the market. Perfect for larger reservoirs.

Directions: Use small amounts when adjusting the nutrient solution to affect the pH level, as required. Use to maintain the optimum pH level of 5.5 to 5.8 for hydroponics and 6.2 to 6.3 for sphagnum moss and plants in containers. For best results, check the pH level daily.

⚠️ Hazardous Materials Shipping: This product is classified as a hazardous material (HazMat) and ships by ground only. It cannot be shipped by air or expedited services, and additional hazmat shipping fees or handling time may apply.