Chlorine Dioxide (CIO2) is a U.S. EPA approved sanitizer, disinfectant, deogrizer, tuberculocide, algarcide, fungicide and U.S. FDA recognized. It is tested and known to be effected on Bacteria, Viruses, Bacterial Spores and Algae/Fungi/Mold/Yeast. Various uses are: - Sterilizer - Disinfectant - Sporicide - Germicide Where can it be used? It is proven safe for use as directed on and around humans, pets, plants, food, water, materials and envirnonment bt bith The Environmental Protection Agency and The World Health Organization (W.H.O.) an is currently used in the USA and EU in dozens of industries and hundreds of applications. Places of use: House and Apartments, Hotels and Resorts, Offices, Vehicles, Agriculture & Horticulture and Tanks and Lines