API 141G Pond Melafix is a natural antibacterial fish remedy derived from the healing properties of Cajeput tree extract, formulated specifically for treating common bacterial infections in pond fish including koi and goldfish. It effectively treats conditions such as fin and tail rot, eye cloud, pop-eye, body slime, and open wounds, promoting rapid tissue regeneration and healing. The all-natural formula is completely safe for biological filters, aquatic plants, and other pond inhabitants. Simply add to your pond water — no need to remove fish or plants during treatment. An essential addition to any pond keeper’s medicine cabinet for maintaining fish health throughout the season.