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. This 100g pack treats 25,000 litres (5,500 GAL).