Treat and heal wounds, diseases and infections with API Bettafix Infection and Fungus Treatment. This natural antibacterial, antifungal remedy contains healing melaleuca, a variety of tea tree. The treatment promotes rapid re-growth of damaged fins and skin, helping to heal open wounds and tissue damaged by handling, netting and fighting. It is great for treating newly introduced fish to reduce risk of disease outbreak. You can also use it to treat ulcers, mouth fungus, fin and tail rot and when you see signs of bacterial and fungal diseases like red ulcers, slimy patches or cottony growths. Repairs damaged fins and promotes fin regrowth with its natural antibacterial properties at the first signs of bacterial or fungal disease, or from tissue damage caused by stress from handling.