General Hydroponics pH Down – 2.5 Gallon

Large-Format pH Control for Professional Growers

General Hydroponics pH Down 2.5 Gallon is a highly effective solution for lowering the pH of your nutrient solution when it rises above optimal levels. Formulated with food-grade phosphoric acid, this product ensures accurate and consistent pH control in hydroponic, soil, and coco-based systems.

This large-format size is ideal for commercial growers or high-demand setups, reducing the need for frequent reorders. Simply add a small amount to your reservoir, mix thoroughly, and retest your pH. Stable pH levels help maximize nutrient availability and overall plant health.