Virkon Aquatic is the specially designed as a disinfectant for use in fish culture operations. It has been independently proven to be effective against significant aquatic pathogens. Virkon Aquatic kills viruses, bacteria, fungi and mold. Virkon Aquatic is fast acting, colorless, fragrance free and non-irritating. This makes it the ultimate disinfectant for use in around water courses. The ingredients were selected for their ability to degrade quickly within the environment, causing as little disruption to the environment as possible.