Broad spectrum antibiotic formula for tropical aquarium fishAntibiotic micro bio-spheres directly treats affected tropical fishEffective against such bacterial fish disease as fin and tail rot, popeye, and dropsyRevolutionary antibiotic medication for effective treatment of fish. Medicated bio-spheres attach to the fish's skin to form a protective layer that kills infecting bacteria. Controlled, regulated release of antibiotics helps prevent re-infection. Maracyn Plus contains two broad-spectrum antibiotics that are effective against fin and tail rot, popeye, dropsy, ulcers, and mouth and body fungus. Maracyn Plus is for use in fresh and saltwater aquariums.Active ingredients: Sulfadimidine and Trimethoprim. Use 2 teaspoons per 10 gallons of water. 8 oz. treats 240 gallons. Please click on "More Information" for directions for use.

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