FLUKE-EX by Fish Treatment Ltd is a broad-spectrum parasite treatment for ornamental ponds and aquariums. Designed for use against skin and gill flukes—including resistant strains—it also treats Trichodina, Costia, tapeworms, roundworms, and Argulus (fish lice). Safe for use with plants, filters, and in salted water, it offers a practical and economical solution for parasite control. 50g treats 12,500 litres (2,750 GAL).