Mardel Maracyn Bacterial Fish Treatment is an erythromycin-based antibiotic medication effective against a number of pathogenic bacteria associated with ornamental fish disease. It treats common bacterial infections in fish, with signs including clamped fins, swollen eyes, and rapid breathing. Available in 8 count and 24 count sizes, it is designed for use in both hospital and quarantine tanks, ensuring the beneficial biological filter is not harmed during treatment.
