Zerotol HC is a powerful formula that helps protect turf and lawns, ornamentals, greenhouses, hydroponics, aquaponics, and other surfaces against bacterial and fungal diseases. It is a fungicide, bactericide, and algaecide in one unique product which helps kill diseases on contact without leaving any residues thus can be followed by biological applications to protect against colonization. This product helps suppress downy mildew, powdery mildew, anthracnose, botrytis, leaf blight, leaf spot, and more. By getting rid of these diseases, it helps develop stronger roots and stems on your plants. It also controls odor-causing bacteria, fungi, algae, mold, and mildew on hard surfaces to keep the area disinfected. It is environmentally-responsible and it can be used around people, pets, and other animals when used according to the directions on the label, plus it is OMRI listed so it is safe to use until harvest day. Available in 1-gallon jug.