Emerald Harvest PH Up 55 gal Nutrients & Additives Disinfectant 4" x 4" x 4"

4" x 4" x 4" (Case of 144)

Full Spectrum Plant-Preferred Spectra: By the special combination of spectra that emits most light in the 400-700nm waveband

Nordic Pure 20x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

growing medium that delivers well balanced air/water qualities

Recommended Use: These trays are recommended for Active Aqua IZON Rolling Bench Systems

Emerald Harvest PH Up 55 gal Nutrients & Additives Disinfectant 4" x 4" x 4"Description Product Details Emerald Harvest pH Up 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