Flubendazole, Panacur (Fenbendazole) Metronidazole, Nitrofurazone, Praziquantel, Methylene Blue, Malachite Green, Aquarium Salt & 37% Formaldehyde – Fish Medication Information @ Simply Discus by Ron Reisdorf Flubendazole Skin/Gill Flukes and internal worms (nematodes)Treatment: Dosage – 1/4 teaspoon/20 gallons every second day for 21 days Temperature – 82F Water changes – 50% water change every day Medicated Food … Continue reading Flubendazole, Fenbendazole, Metronidazole, Nitrofurazone & Praziquantel Fish Medication Safety