Fritz Expel-P is an anthelmintic (deworming) medication and immunostimulant agent. It is safe to use in both freshwater and saltwater aquaria and is effective against many internal parasites, especially nematodes, when used as directed. It does not harm the bio-filter, plants, other invertebrates or uninfected fish. As an added benefit, it boosts the immune competence of fish.
Fritz Expel-P is effective against Nematodes, Roundworms, Nodular Worms, and Hookworms. Symptoms can include worms visibly protruding from the anus of the fish, wasting, abdominal bloating, disinterest in food, or rapid breathing or gasping, Can also be used as a coral dip to treat for flatworms and pest nudibranchs.
Active ingredient: Levamisole HCl