Mardel Maracyn Size:8 Pack NorthFin uses only High DHA*

NorthFin uses only High DHA* Omega-3 certified Whole Herring Meal as its main ingredient

potassium and micronutrients your fellow grazers need to stay healthy

Bacteria is best if used within 4 months

Having healthy cichlids means plenty of bright aquatic action in your tank

Hole in Head

Mardel Maracyn Size:8 Pack NorthFin uses only High DHA*Mardel Maracyn Provides relief from bacterial infections such as body fungus, gill disease and popeye in fresh and saltwater aquariums. Mardel Maracyn is a specially compounded broad spectrum antibiotic (erythromycin) which has been shown to be effective against a number of pathogenic bacteria associated with ornamental fish disease. It was developed for complete but gradual dissolution in water. It is primarily effective against gram positive