Athena Balance, pH Up, Buffer & Stabilizer for Hydroponic Irrigation Systems, 1 GallonDescription Optimal pH Balance: Specifically formulated to buffer irrigation water and stabilize pH levels, ensuring optimal nutrient uptake and healthier plant growth. Ideal for RO Water: Perfect for use with reverse osmosis (RO) water, preventing nutrient lockout and creating a more uniform fertilizer solution, reducing the need for frequent pH adjustments. Usage: Add 2 5 mL per gallon to your reservoir prior to mixing in other fertilizers and