Mardel Maracyn is specifically formulated to effectively treat bacterial infections in both freshwater and saltwater aquariums. Its key component, Erythromycin, makes it an ideal alternative to API Erythromycin.

Reason to Use: 

• Treatment of gram-positive bacteria:
• Clamped fins, Swollen eyes, Heavy or Rapid Breathing
• Body Fungus
• Gill disease
• Popeye
• Safe for invertebrates

Dosage:

• Each packet treats 10 gallons 
• Treat daily for 5 days