AquaActiv AntiBakterien is a fish medicine against internal and external bacterial infections such as ascites, mouth rot, fin rot, hole in the head disease, streptococci or inflamed injuries. Symptoms of this may include loss of skin and scales, swelling, redness, bruises, open wounds, ulcers, fin fraying, ruffled scales, slowed or accelerated movements, lurching, convulsions, general darkening or distended bellies. The fish medicine is suitable for pond sizes up to 10 m3.