| Type | Medication |
|---|---|
| Treatment for | Bacterial Infections |
| Water Type | All Water Types |
| Country of Origin | United States |
Check the listing for details. Fritz Maracyn Two 10 Count. Condition: New, Made in United States. Listed at 14.99 USD. Maracyn Two (by Fritz/Mardel) is a broad-spectrum, powdered antibiotic (Minocycline) for aquariums, designed to treat gram-negative bacterial infections that cause dropsy, Popeye, fin/tail rot, and septicemia. It is absorbed directly through the skin, making it highly effective for internal infections. It is safe for invertebrates and plants.