Kordon Rid-Fungus is one of three Kordon organic herbal treatments with multiple ingredients for elimination of external single-celled infections of fishes whether protozoan parasites (amebae, ciliates orA dinoflagellates), or fungal, A All three treatments are based on the unique use of patented naphthoquinones exclusively used by Kordon as the basic ingredients, A The three organic treatments can be used interchangeably, with Kordon Rid-Fungus particularly directed against all types of external fungal infections; Kordon Ich Attack particularly directed against all external protozoan and infections, including white spot disease (Ich);A and Kordon Prevent Ich as a strong preventative that also serves as an effective external treatment of protozoans, dinoflagellates, and fungi, A SKU: RPS13647