API 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, fungus, and the reddening of the fins and body, in addition to both internal and external bacterial infections. This powerful anti-fungal water remedy works quickly to reduce harmful bacterium and treat and condition the water of fresh and saltwater aquariums, providing an effective guard against deadly aquatic diseases.