How to use for a 3 gallon tank for one fish?

I use Melafix when I am cleaning the pond. I take out 25 % water then add fresh water, then add the appropriate amount of melafix. It helps the fish adapt to the new water. Also helps heal any sores they might have. They seem to really like it. I also put in the appropriate amount of salt for them as well. Hope this helps.

Is this safe for mystery snails?

The bottle does not say that it will hurt snails. It has warnings for other things. However, we have not tried it in the bowl with the mystery snails.

it depends what the problem is, you are having. as if per advise on the bottle, it works for all these, and pumafix does also. these, or one takes care of some bacterial issues also. you can try on bacterial and if it does not improve move to an antibiotic, best from thomas labs on the net. these are good products and do help many situations. good luck with yours, my advise to you is what i do what these.

Mi pecera coge 3 galones gue cantidad debería usar ??

Dosing for a 3gallons with Melafix (5ml for 10gallons) would be 1.5mls or 30drops.

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API Melafix, 4 OZ, multicolor

Product ID: 395828958

Details

Brand
API
Item form
Liquid
Item weight
136.08 Grams
Liquid volume
4 Fluid Ounces
Manufacturer
Okuma Fishing

🌿Non-toxic, pH neutral, safe for filters

💧4 fl oz liquid, easy dosing

🧪All-natural antibacterial formula

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Description

🌿 Heal, Protect, Thrive — The Natural Choice for Your Aquarium’s Wellness

AQUARIUM SAFE - Won't disrupt biological filters, alter pH, or discolor water—keeping your tank balanced and crystal clear.
FIN TISSUE REGROWTH - Promotes rapid regeneration of damaged fins and tissue, restoring your fish’s vibrant health.
NATURAL HEALING POWER - Harnesses plant-based antibacterial agents to fight common fish infections without harsh chemicals.
STRESS FREE TRANSITION - Smooths the acclimation process for new fish, reducing shock and early-stage disease risks.
TRUSTED BY ENTHUSIASTS - Highly rated with 4.5 stars from thousands of aquarists who swear by its effectiveness.

API Melafix is a 4-ounce all-natural antibacterial liquid treatment designed to combat common bacterial infections in aquarium fish such as open wounds, tail rot, and fungus. It supports fin and tissue regrowth while being completely safe for biological filters and water chemistry, making it an essential remedy for both new and established tanks.

Reviews

E**.

Love this ❤️

Been using this for my aquarium 👍🏼

5.08.2023

D**.

Works well for pop eye

My Blue Beta fish recently had a pop eye infection in 1 eye, she seemed like she would die anytime, very lethargic, enlarged gills, floating sideways on the surface of the tank and not eating anything. I searched about pop eye on the internet and found Melafix, ordered it and used it for a week. I put my Beta in a separate tank and dosed her for 1 week, everyday changing 70% water. After 1 week sbe still had her fins showing some fungus so I co tinued the dose for 3 days more. Now she is absolutely fine and swimming around the tank tormenting other little fishes like before.😂

9.09.2022

S**K

Excellent product

Very good product, with in 2 days of usage my flowerhorn fish head wound got recovered.

16.07.2025

P**L

Great job

Yes, we like this product. It help our fish to get better. Thanks

3.01.2020

G**O

Llego en tiempo

Buen producto, no se salvo mi pez, ya estaba grande

24.06.2019

B**A

Fish saver!

My goldfish Lox started to get fin rot very badly, and his demeanor changed. Within 4 days of treatment his fins started to look healthy and beautiful again. This product is excellent and affordable! There is a bit of a medicine smell to it but nothing overwhelming or bothersome! Photo shared is after 4 days, prior his back fin was almost all black!

14.11.2025

A**R

Five Stars

Très efficace. Merci!!!

15.04.2017

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Brand	API
Item form	Liquid
Item weight	136.08 Grams
Liquid volume	4 Fluid Ounces
Manufacturer	Okuma Fishing Tackle
Unit count	1 Count

API Melafix, 4 OZ, multicolor

Details

Details

Description

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Common Questions