Description
API Pond Melafix – Natural Remedy for Koi and Goldfish Infections
Support your pond’s health with API Pond Melafix, a gentle yet effective all-natural antibacterial solution. Perfect for koi and goldfish, this 118 ml liquid treatment helps heal wounds, repair fins, and reduce harmful bacteria—without disturbing your pond’s natural balance.
Fast Healing and Visible Results
If your fish show signs of illness like fin rot, ulcers, or cloudy eyes, API Pond Melafix gets to work quickly. It helps heal damaged tissue and prevents infections from spreading. Use it after adding new fish or during stressful conditions.
Safe for Fish, Plants, and Invertebrates
API Pond Melafix is gentle enough for daily use. It’s safe for goldfish, koi, snails, aquatic plants, and other pond life. Better yet, it won’t affect your pond’s pH levels or damage the biological filter. No harsh chemicals involved—just natural healing.
When and How to Use It
- Remove carbon from the filter system before treating.
- Turn off UV lights and ozone-producing devices.
- Shake well. Add 1 tablespoon (15 ml) per 150 gallons of pond water.
- Use daily for 7 days for infections. For prevention, dose for 3 days after adding new fish.
Why Choose API Pond Melafix?
- Promotes tissue regrowth in koi and goldfish
- Repairs tail and fin damage quickly
- Controls bacterial diseases like ulcers and mouth fungus
- Won’t harm snails or aquatic plants
- Safe for long-term pond use
Better Pond Health Starts Here
Many fish illnesses are avoidable with proper care. With API Pond Melafix, you get an easy solution that works naturally. Use it after fish fights, transportation, or exposure to poor water conditions. It helps fish recover and boosts their resilience.
Explore More Pond Treatments
Looking for more health solutions? Explore our full range of Fish Medications & Treatments or shop Aquarium & Fish Products to keep your pond clean and healthy year-round.
Trusted Brand, Reliable Results
API has been a leader in aquatic care for decades. This product includes beta-Myrcene, a plant-derived compound known for antibacterial effects. While safe for aquatic use, always store out of reach of children. This formula contains no harmful toxins for your pond environment.
Additional Information
- Volume: 118 ml (4 fl oz)
- Form: Liquid
- Species: Goldfish, Koi
- Brand: API
- Origin: USA
For more about fish infections and treatment strategies, visit Fish Disease and Parasite (Wikipedia).









Leandro Costa –
My koi and goldfish got fin rot from a new fish; I added this natural Melafix remedy and within a week their fins were healing and they looked perkier—it’s gentle, doesn’t mess with pond plants or pH and I feel better knowing it’s all‑natural.
Amina Yusuf –
I keep a bottle of this for any scratches or cloudy eyes in my pond; it helps wounds close and stops infections before they start, and it’s safe enough that I don’t worry about my snails or water lilies.