API Pond Melafix Anti-Bacterial Pond Fish Remedy
API Pond Melafix (formerly PondCare Melafix) is an antibacterial remedy for the treatment of common Koi and goldfish ailments, including Eye Cloud, Mouth Fungus, and Fin and Tail Rot. Melafix is an all natural treatment that promotes rapid healing of damaged fins and tissue, as well as ulcers and open wounds.
- Natural active ingredient treats bacterial fish infections
- Promotes healing of Koi and goldfish
- Rapidly repairs damaged fins and tissue
- Treats fin and tail rot, ulcers, and open wounds
Melafix is safe for snails and other invertebrates. Treats bacterial infections such as red ulcers, fin and tail rot, cloudy eyes, mouth fungus, open wounds, ulcers, and damaged fins. Will not harm aquatic plants, affect the pH or adversely affect water chemistry.
| Product Information |
|---|
| Brand: API® CPD |
| Form: Liquid |
| Usage: For Koi and goldfish |
| Active Ingredient: Natural antibacterial compound |
FAQ
Can Melafix be used in a pond with aquatic plants?
Yes, Melafix is safe for use around aquatic plants and does not affect water pH or plant health.
Is Melafix safe for snails and invertebrates?
Yes, Melafix is safe for snails and other invertebrates.
How long does it take to see improvement in fish symptoms?
Improvement may be seen within a few days of regular treatment, depending on the severity of the condition.




Eric Walker –
Used Melafix after noticing my koi had cloudy eyes and fin damage. Followed the instructions and saw clear improvement within 5 days. No side effects on the plants or snails. A reliable and natural solution.
Bella Parsons –
Treated a case of mouth fungus in my goldfish. The liquid was easy to mix and the fish showed signs of recovery within a week. Works well without changing water chemistry.
Anne White –
Great product for treating fin rot. My fish recovered fully after a few treatments. Safe for the whole pond ecosystem, including invertebrates and plants.
Ella Hemmings –
Used it for open wounds on a koi. The healing process was faster than expected. No irritation or changes in water conditions. Would recommend to other pond owners.