Remove Unwanted Parasites From Your Pond And Keep Your Fish Healthy! Prazi-Cura Liquid is the same active ingredient as our popular Prazi-Cura Powder in an easier to mix liquid form. Reliable anti-parasitic fish care that deals with flukes and is safe for your fish. Liquid Concentrate ready to use in fresh water and marine environments Same active ingredient as our popular Praz-Cura powder products Flukes, Tapeworms, Flatworms, Turballarians, and Iasis are treated Highly Effective Treats up to 2,500 Gallons Very Mild On Your Fish Safe and Non-toxic to Common Pond and Aquarium Animals and Plants