Waterlife Parazin 20 Tablets is the go-to solution for fishkeepers facing tough parasite problems in their aquariums. This powerful tank treatment targets fish lice (Argulus), anchor worms (Lernea), and gill maggots (Ergasilus), along with other insect and crustacean parasites. With Parazin's potent formula, a single dose is usually sufficient to eliminate an infestation, ensuring your fish remain healthy and stress-free. Suitable for use in tropical freshwater and coldwater aquariums, Parazin is both effective and convenient, coming in an easy-to-use tablet form. Destroys insect and crustacean predators/parasites.