the medication against internal and external bacterial infection : - Developed for freshwater and saltwater (does not contain copper). - Effective against bacteria of the strains Aeromonas, Pseudomonas, Columnaris, Flexibacter, Streptococci and others. - Treats ulcerous, red boils and crater-like indentations, wounds, “nibbled“ fins, swellings etc. - Effective ingredient sodium-nifurstyrenat acts faster and more effectively than antibiotics.