605667 Mars Fishcare North America 176B API Pond 16 OZ Melafix, Pond Fish Bacterial Infection Remedy, Heals Bacterial Infections Repairs Damaged Fins, Ulcers Open Wounds Contains Natural, Botanical Tea Tree Extract To Quickly Rapidly Help Fish Helps Treat Newly-Introduced Fish To Reduce Risk Of Disease Outbreak In Freshwater Ponds Use Daily For A Week When Treating Infections For Three Days As A Preventative When Adding New Fish, Bottle.