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and instruction manual
This de-ionization filter is designed to serve as a post
6x6ft(veg) grow space
Compatible with 120V controllers and timers
Emerald Harvest pH Down, 1 qt, case of 12 led and instruction manualEmerald 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 deficiencies.
