HYGIEN+99 is a patented, organic, full-spectrum & certified disinfectant formula based on hy­po­chlor­ous acid to pro­fes­sion­al, all-around hy­giene man­age­ment for risk mitigation of plant diseases & dis­in­fec­tion of sur­faces, equip­ments, wa­ter­ and air. Hypochlorous acid is nature's oldest disinfectant, and it happens to be walking around in about 7.5 billion people right now. As in inside all humans, this very moment. It's the substance your white blood cells produce to fight off infections. It's also the active ingredient in HYGIEN+99 which is an industrial technology used for green cleaning and sanitizing.HYGIEN +99 is totally safe for plants, people, and pets. It leaves behind zero harmful residuals and is completely safe for the environment. User requires no PPE and plants do not have to be removed from the area being disinfected.HYGIEN +99 is the safest, most effective way to keep your grow free from powdery mildew and mold.