MELAFIX 64oz MELAFIX 64oz $29.99 SKU: AQP176C QTY: Click here to save 5% off of your order! MELAFIX 64-OZ This antibacterial remedy is for the treatment of koi and gold fish diseases. Treats ulcers and open wounds. It rapidly repairs damage fins, fin and tail rot. Use when introducing new fish. It will not harm biological filtration. Safe for snails and other invertebrates and aquatic plants. Treats up to 19,200 gallons of water. Instructions: For recent wounds or infections: add 1 tsp for every 50 gallons of water. Dose daily for 7 days.When treating advance or chronic infections: add 2 tsp for every 50 gallons of water. Dose daily for 7 days.When adding new fish to the pond or when netting and handling fish: add 1 tsp for every 50 gallons of water. Repeat dose daily for 3 days.