Aquarium Pharmaceuticals E.M. Erythromycin, 850 g
Freshwater and saltwater compatible.
Keep your fish healthy with Pro Series powdered medications from Aquarium Pharmaceuticals. Treat a variety of fungi, bacteria, infections and diseases before they cause permanent harm to your fish. 850-g bottles treat 3,270 gallons. Not FDA-approved.
E.M. Erythromycin
Treats fin and tail rot, mouth fungus, open red sores, bacterial gill disease and hemorrhagic septicemia. Full course of treatment requires four doses.