All-natural remedies treat bacterial and fungal infections. Tea Tree extract in MelaFix helps combat bacterial infections such as red ulcers, fin and tail rot, cloudy eyes, and more in as little as 4 days. Heals open wounds, ulcers, and damaged fins. 8 oz treats up to 2,400 gallons. PimaFix is a natural botanical remedy made from Pimenta racemosa (West Indian Bay) oil to treat cotton-like fungal infections, and both internal and external infections. Prevents resistant strains of disease-causing organisms. Use together to treat a broader range of infections with quick tissue regeneration and wound healing. 16 oz treats up to 2,400 gallons. Won't discolor water, or affect pH, or biological filter during treatment.