API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle

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About This Item

Details

  • Formulated to heal bacterial infections such as tail and fin rot, eye cloud, mouth fungus and more.
  • Rapidly repairs damaged fins, ulcers and open wounds.
  • All-natural, antibacterial fish and coral medication.
  • Contains the healing properties of melaleuca, tea tree extract.
  • Designed not to harm biological filters, and is suitable for all marine and reef aquariums.

Instructions

FAQ

Learn More About API From Our Team of Experts

Questions & Answers

25 Customer Questions


Is this safe for Betta's?


Would this work for a fish swimming on the side that got picked on by other fish


What is the difference between melafix and pimafix

Answer by ChewyMay 01, 2019
Melafix is formulated to heal bacterial infections such as tail and fin rot, eye cloud, mouth fungus and more while Pimafix quickly treats fungal and bacterial infections such as cottony growth, fin and tail rot and many more.

Does this work for fin rot and ich ic my fish fought both?

Answer by ChewyJun 03, 2018
Melafix heals bacterial infections such as tail and fin rot, eye cloud, pop eye, body slime and mouth fungus

4.5
Rated 4.5 out of 5 stars
234 Ratings

91 Customer Reviews



Rated 3 out of 5 stars
By Keith on Jan 11, 2026

nothing

I only used it for a day then I moved fish.

I only used it for a day then I moved fish.


Rated 1 out of 5 stars
By Skye on Jun 21, 2025

Empty bottle

The bottle was completely open, cap off the bottle. When I opened the package, the box wasn’t wet, nor did it have any sort of residual, so my guess was someone

The bottle was completely open, cap off the bottle. When I opened the package, the box wasn’t wet, nor did it have any sort of residual, so my guess was someone quite literally shipped me an empty bottle. Not entirely sure how that managed to happen. I almost find humor in it.


Rated 5 out of 5 stars
By Nichole on Jul 23, 2025

Great for clearing up fish sickness

Great for sick fish or even use before adding a new fish to the tank to insure good health for all fish.

Great for sick fish or even use before adding a new fish to the tank to insure good health for all fish.


Rated 5 out of 5 stars
By skellyhan on Sep 13, 2025

API melafix

It’s a great natural remedy for use in aquarium fish love it

It’s a great natural remedy for use in aquarium fish love it


Rated 4 out of 5 stars
By laura on Jul 27, 2025

Chewy staff and products are great

All the way items were enjoyed and or useful Wish packages were recycled

All the way items were enjoyed and or useful Wish packages were recycled


Rated 5 out of 5 stars
By Mark on Jul 8, 2025

Customer service

My first parcel never arrived but a replacement soon followed. Very impressed

My first parcel never arrived but a replacement soon followed. Very impressed


Rated 5 out of 5 stars
By Stephanie on Jun 9, 2025

Works

Using in conjuction with pimafix for my koi in the aftermath of some bad goldfish .

Using in conjuction with pimafix for my koi in the aftermath of some bad goldfish .


Rated 1 out of 5 stars
By Stefanie on Aug 15, 2025

Sent me the wrong item

I needed api melafix bacterial not pimafix

I needed api melafix bacterial not pimafix


Rated 5 out of 5 stars
By Julissa on Nov 8, 2025

heals fish infections quickly

Everything is good

Everything is good


Rated 1 out of 5 stars
By Lowell on Jan 1, 2025

No success yet

It has not yet started eliminating the fin rot on my 5 cory fish. My 6 other black tetras have had no problems. I have started another 7 days of treatment following

It has not yet started eliminating the fin rot on my 5 cory fish. My 6 other black tetras have had no problems. I have started another 7 days of treatment following the directions provided as before.