Emerald Harvest pH Down 55 gal FGMN Nursery the SAM 400® assists with

the SAM 400® assists with whole-room disinfection

Rapid Cooling: Features a built-in circulation pump for stable water flow

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and installation manual

Emerald Harvest pH Down 55 gal FGMN Nursery the SAM 400® assists withDescription 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