hi thanks for that this product is called furan-2 made by aquarium pharmaceuticals ingredients r 60mg Nitrofurazone, 25mg furazolidone,and 2mg methylene blue trihydrate it says on the front effective against a wide variety of gram positive and gram neg bacterial diseases of aquarium fish including furunculosis{Aeromonas] dropsy, gill disease, fin and tail rot, black molly desease. what do u think? :-?