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.

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