Blagon Anti Parasite acts against parasites such as white spot, slime disease (e.g. Chilodonella and Costia) and Flukes. 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.The five-day course also ensures that effective levels of active ingredients are present over a period to catch parasites in the susceptible phase of their life cycle. Suitable for treating ponds containing a variety of fish. 250ml treats 2250 ltr /500 gals for 5 days. 1 ltr treats 9000 ltr / 2000 gals for 5 days