Fritz Maracyn fights fin rot, popeye, and other bacterial infections using pharmaceutical-grade erythromycin. Each pre-measured packet simplifies dosing—no guesswork. Safe for live plants, corals, and biological filters when used correctly.
Usage:
Remove carbon and UV sterilizers during treatment.
Dose 1 packet per 10 gallons daily for 5 days.
Perform a 25 % water change after the final day.
Specifications:
Active Ingredient: Erythromycin
Quantity: 20 packets (treats 200 gallons)
For freshwater and saltwater systems
Why We Like It:
Simple, effective, and safe for community tanks. A must-have for any fishkeeper’s first-aid kit.
Fritz Maracyn fights fin rot, popeye, and other bacterial infections using pharmaceutical-grade erythromycin. Each pre-measured packet simplifies dosing—no guesswork. Safe for live plants, corals, and biological filters when used correctly.
Usage:
Remove carbon and UV sterilizers during treatment.
Dose 1 packet per 10 gallons daily for 5 days.
Perform a 25 % water change after the final day.
Specifications:
Active Ingredient: Erythromycin
Quantity: 20 packets (treats 200 gallons)
For freshwater and saltwater systems
Why We Like It:
Simple, effective, and safe for community tanks. A must-have for any fishkeeper’s first-aid kit.
