Mardel is the most widely distributed name in preventatives and treatments for fish health. Developed through innovative and extensive research, Mardel offers the aquatic enthusiast safe, effective and easy-to-use products. The complete line of products includes medications, water treatments, water conditioners, filter media, and test kits. With 30 years of experience in caring for your fish, Mardel is a name to be trusted. PK is proud to offer Mardel products for all aquarists! Maracyn for saltwater comes with B complex vitamins. This broad-spectrum, nontoxic antibiotic (Erythromycin) tablet is recommended for the treatment of body fungus, popeye, gill disease, fin & tail rot, and secondary infections. The B vitamins are added to stimulate metabolism and improve appetite. Shipping-Weight: 0.3# |