Diagnosing fish diseases and dosing medications can be tricky and stressful for you and your fish. Aquarium Pharmaceutical's powdered medications help to take the guesswork out of treatment and make medicating your fish easier and more effective. Each medication is premeasured in multiple layer foil packets and is formulated to be quick dissolving. A full range of medications mean most ornamental fish diseases are easy to treat so you can spend more time enjoying your fish, not medicating them Treats a broad range of bacterial conditions in freshwater and saltwater aquariums or use as a preventative when adding new fish. This medication can be used with many parasitic medications to prevent secondary infections.