Brackish Treatments Parasites, Fenbendazole (dewormer), Freshwater, Freshwater Treatments Parasites, Saltwater, Saltwater Treatments Parasites, Treatments Posted on April 6, 2024 by MichaelHF Fenbendazole (dewormer) Fenbendazole (dewormer) (DO NOT dose or food soak fenbendazole in a reef environment.) What It Treats: Flukes (Monogeneans) and intestinal worms. Fenbendazole is particularly useful to treat flukes & ... Continue Reading