MinnFinn&trade; Mini - Broad-Spectrum Treatment for Koi and Goldfish Diseases Broadest spectrum product on the market - treats parasitic, bacterial and fungal infections Easy to use, with treatment times of only 1 hour Easily neutralized, meaning no water changes are needed after treatment Environmentally safe, it breaks down into water, oxygen and carbon dioxide Non-toxic and doesnt contain harmful carcinogens as some other medication brands do