Anti Parasite uses a number of active ingredients to create an effective and safe treatment that acts against White Spot, Slime disease protozoan parasites (Costia sp., Trichodina sp., Chilodonella sp.), Flukes (Dactylogyrus sp. and Gyrodactylus sp.) and also Velvet parasites (Oodinium sp.) This is a five day course of treatment that builds an effective dose in the pond whilst minimizing stress on the fish.