Although pathogens are never a good thing, Fish Medication can sometimes be necessary in saltwater aquariums. That's why it's good that some of the most trusted names in the reefing hobby are manufacturing medications to help keep your tank healthy. Help rid your tank of Ich, Fluke, Velvet, Turbellarians, Tapeworms, Flatworms and more. Please make sure to check all manufacturers guidelines before dosing a tank. Some medications contain chemicals that can potentially harm corals or invertebrates. We carry HW Wiegandt and Hikari brands. Should you have any questions about which product is right for your tank please contact us.