Waterlife Myxazin is a treatment for Ulcers Fin Rot Body Rot and other bacterial related diseases in all aquaria. It is suitable for seawater (fish only systems) tropical freshwater and coldwater aquaria. Myxazin lowers the count of harmful bacteria in aquarium water treating Fin Rot Body Rot Ulcers Sores and other bacterial infections. It will also help to control Pop - Eye Disease Cloudy Eyes and Mouth Fungus. Myxazin should be used daily until symptoms disappear (typically this would be between 3 and 5 applications). It can also be used to sterilise nets and live foods such as Daphnia and Tubifex. It is mild on fish highly biodegradable and effective against a wide range of fish health problems. Always read instructions carefully before use. - 60ml bottle (5 day course for 180 litres). Also available in 120ml bottle 500ml professional size.