API General Cure Fish Remedy API® General Cure is a fast-acting fish medication that helps treat a wide variety of parasitic fish diseases in both freshwater and saltwater aquariums. It is suitable for treating common parasite-related conditions such as velvet, hole-in-the-head disease, and gill or skin flukes. Product Benefits Helps treat a wide variety of parasitic fish diseases Suitable for freshwater and saltwater aquariums Helps treat velvet disease Helps treat hole-in-the-head disease caused by Hexamita spp. and Spironucleus Helps treat gill and skin flukes, including Dactylogyrus and Gyrodactylus Will not discolor aquarium water Easy-to-use powder packet format Suitable ForFreshwater and saltwater aquarium fish showing signs of parasitic infection. Available Sizes10 packets / 30 oz Usage ReminderUse according to the product label directions. For best results, complete the full recommended treatment course.