Black Ich (turbellarians), Brackish Treatments Parasites, Fish, Freshwater, Freshwater Treatments Parasites, Parasites, Praziquantel (dewormer), Puffer Fish Fresh Water, Saltwater, Saltwater Treatments Parasites, Treatments Posted on April 6, 2024 by MichaelHF Praziquantel (dewormer) Praziquantel (dewormer) IMPORTANT: Praziquantel depletes oxygen from the water. So, add a couple of air stones (cranked on high) or point a wavemaker towards the surface ... Continue Reading