This broad spectrum antibiotic cures ulcers, red spot disease and kills resistant bacteria.

Effective in eliminating a broad range of bacterial species responsible for ulcer and red spot disease, carp erythrodermatitis, bacterial hemorrhagic septicemia, tail and fin rot, cotton-wool disease or mouth "fungus". 

Convenient bath formula allows for easier treatment regimen.  Can be used in freshwater and marine systems. 

Active ingredient: Oxolonic Acid