API Pimafix, 16 OZAPI PIMAFIX fish remedy is an all natural, antifungal remedy for fish fungal infections, with a formula derived from the West Indian Bay Tree a proven natural antifungal. API PIMAFIX fish remedy rapidly treats cottony growth, mouth, body fungus, and the reddening of the fins and body, in addition to both internal and external bacterial infections. API PIMAFIX fish remedy will not adversely affect the biological filter, alter pH, or discolor water, and