Emerald Harvest pH Down 1 gal case of 4 flowering Parker's 60 Series bave double

Parker's 60 Series bave double shut-off poppet valves and are interchangeable with other quick disconnects complying with ISO Series B

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• 3 year limited warranty

When your output TDS rises above 10 PPM

Emerald Harvest pH Down 1 gal case of 4 flowering Parker's 60 Series bave doubleDescription Product Details Emerald Harvest pH Down pH up and pH down: Keep the nutrient solution and the growing medium in the "sweet spot" (pH 5. 56. 5) for optimal nutrient uptake and no nutrient deficiencies. pH Up and Down are buffers composed of a weak base (Up) and weak acid (Down) designed to correct pH imbalances. pH Up and pH Down adjust the pH for optimal nutrient uptake and stable beneficial bacteria colonies, and they forestall nutrient