Aquarium Pharmaceuticals' TC Tetracycline Powder is an anti-bacterial medication for common tropical fish diseases such as bacterial tail rot, cotton mouth fungus and gill disease. Aquarium filtration will not affect treatment. For use in freshwater aquariums.
This medication will not harm the biological filter. Note: API TC Tetracycline Powder will cause a slight discoloration of water which can be removed with activated carbon.
Each packet contains 500 mg.