Effective against diseases caused by Ichthyophthirius spp.(whiste spots),Costia spp., Trichodina spp., Trichodinella spp., Chilodonella spp. (protozoanparasites - main cause of white spots and sliminess of the skin), Saprolegniaspp., (cotton-like threads grow on gill filaments fish and egg fungi), Trichodinellaspp., Flexibacateria (cotton-wool disease or mouth fungus), Cryptobia spp.,and Trypanosoma spp., (listless behavour, emaciation and "pop eye")