Erythromycin Powder by Aquarium Pharmaceuticals is for broad spectrum treatment and control of bacterial disease, such as body slime, mouth fungus, Furunculosis (open lesions and swelling), bacterial gill disease and hemorrhagic septicemia (blood spots without sign of skin damage). API EM Erythromycin is for use in both freshwater and saltwater aquariums. Can be used with any API Ich, fungus or parasite remedy to help prevent secondary bacterial infection. EM Erythromycin by API will not color the aquarium.

Contains 10 Packets

Each Packet treats approximately 10 Gallons