--- product_id: 2417878 title: "API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle" brand: "api" price: "510528₫" currency: VND in_stock: true reviews_count: 13 category: "Api" url: https://www.desertcart.vn/products/2417878-api-melafix-freshwater-fish-bacterial-infection-remedy-4-ounce-bottle store_origin: VN region: Vietnam --- # Heals in ~7 days Natural tea tree extract 4 fl oz potent liquid remedy API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle **Brand:** api **Price:** 510528₫ **Availability:** ✅ In Stock ## Summary > 🐠 Heal, Protect, Thrive — Your Fish’s Wellness, Bottled! ## Quick Answers - **What is this?** API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle by api - **How much does it cost?** 510528₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/2417878-api-melafix-freshwater-fish-bacterial-infection-remedy-4-ounce-bottle) ## Best For - api enthusiasts ## Why This Product - Trusted api brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Thousands:** Over 15,000 4.5-star reviews prove it’s the go-to for freshwater fish health - • **Tank-Friendly Formula:** Won't alter pH, harm beneficial bacteria, or discolor water—keeps your aquarium pristine - • **Rapid Fin & Tissue Repair:** Clinically proven to restore damaged fins and ulcers within a week - • **All-Natural Botanical Power:** Harnesses tea tree extract for safe, effective antibacterial action - • **Dual Use for Prevention & Cure:** Use daily for 7 days to treat infections or 3 days to prevent disease in new fish ## Overview API MELAFIX is a 4-ounce liquid antibacterial treatment formulated with natural tea tree extract to rapidly heal bacterial infections, damaged fins, and open wounds in freshwater fish. Safe for daily use, it prevents disease outbreaks in new fish and supports tissue regrowth without harming aquarium balance or water clarity. Trusted by over 15,000 users, it’s a must-have for any serious aquarist aiming to keep their aquatic community healthy and vibrant. ## Description API MELAFIX Freshwater Fish Bacterial Infection Remedy soothes the transition from store to home by reducing the risk of your fish developing a disease. The fish you bought may already carry a disease. Disease is often difficult to detect, particularly in its early stages. Treat bacterial infections in your fish and reduce the risk of spreading illness to other fish with API MELAFIX Freshwater Fish Bacterial Infection Remedy. Bacterial diseases are caused mostly by dirty aquarium conditions and the addition of infected fish. Fish that are injured and have open wounds are especially susceptible, even in seemingly clean tanks. Bacterial infections, like fin and tail rot, eye cloud, pop eye, body slime and mouth fungus destroy tissue and other organs, and if left untreated, can cause death. API MELAFIX Freshwater Fish Bacterial Infection Remedy is an all-natural antibacterial treatment that heals open wounds, treats bacterial infections and promotes re-growth of damaged fins and tissue, usually within a week. Just add 5 ml per 10 gallons of aquarium water. It will not adversely affect the biological filter, alter the pH or discolor the water. For effective treatment, dose infected fish daily for 7 days, and continue afterward if necessary. Dose new fish daily for 3 days. Remove activated carbon from filter before use, if possible. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results. Review: This is a great product - I love this stuff! It healed my fish back to her happy normal self! She had severe fin rot and a clouded eye. You just have to pay attention the the dosing instructions and adjust dosing measurements accordingly, based on the size of your hospital tank. I will say (as I didn't know this initially) it is best to fast your fish during the treatment process. This information is not included in the directions - I had to research and figure this out on my own. This way the medication can do its job effectively. Depending on the severity of your fish's illness - more than one treatment may be required. With time, patience, research specific to your fish, etc you will get your fish back to a healthy state in no time. Review: works as advertised,. not a miracle, just a good treatment - One day and we've already noticed a difference I'm glad I found the advice to use this product We will keep it in stock The fish we were treating she is absolutely calm right now showing no stress at all She had damage to her slime coat from being picked down by smaller fish It's already healing! ## Features - Contains one (1) API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - Heals bacterial infections and repairs damaged fins, ulcers and open wounds - Contains natural, botanical tea tree extract to quickly and rapidly help fish - Helps treat newly-introduced fish to reduce risk of disease outbreak in freshwater aquariums - Use daily for a week when treating infections and for 3 days as a preventive when adding new fish ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002567SM | | Allergen Information | Apple Free | | Best Sellers Rank | #2,437 in Pet Supplies ( See Top 100 in Pet Supplies ) #7 in Fish Medication & Health Supplies | | Brand | API | | Brand Name | API | | Customer Reviews | 4.5 out of 5 stars 15,142 Reviews | | Global Trade Identification Number | 00317163070116 | | Item Form | Liquid | | Item Type Name | Aquarium Antibacterial Remedy | | Item Weight | 136.08 Grams | | Liquid Volume | 4 Fluid Ounces | | Manufacturer | Mars Fishcare | | Manufacturer Part Number | 11G | | Model Number | 11G | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 740023406310 317163070116 | | Unit Count | 4 Ounce | ## Product Details - **Brand:** API - **Item Form:** Liquid - **Item Weight:** 136.08 Grams - **Liquid Volume:** 4 Fluid Ounces - **Manufacturer:** Mars Fishcare ## Images ![API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - Image 1](https://m.media-amazon.com/images/I/71pzBihgaWL.jpg) ![API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - Image 2](https://m.media-amazon.com/images/I/818ECPTCZEL.jpg) ![API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - Image 3](https://m.media-amazon.com/images/I/71pmlrvQm4L.jpg) ![API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - Image 4](https://m.media-amazon.com/images/I/81m3UYJ08xL.jpg) ![API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - Image 5](https://m.media-amazon.com/images/I/81hZHXTo5FL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How to use for a 3 gallon tank for one fish?** A: 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. **Q: Is this safe for mystery snails?** A: 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. **Q: Does it realy work?** A: 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. **Q: Mi pecera coge 3 galones gue cantidad debería usar ??** A: Dosing for a 3gallons with Melafix (5ml for 10gallons) would be 1.5mls or 30drops. ## Customer Reviews ### ⭐⭐⭐⭐⭐ This is a great product *by B***Y on August 25, 2025* I love this stuff! It healed my fish back to her happy normal self! She had severe fin rot and a clouded eye. You just have to pay attention the the dosing instructions and adjust dosing measurements accordingly, based on the size of your hospital tank. I will say (as I didn't know this initially) it is best to fast your fish during the treatment process. This information is not included in the directions - I had to research and figure this out on my own. This way the medication can do its job effectively. Depending on the severity of your fish's illness - more than one treatment may be required. With time, patience, research specific to your fish, etc you will get your fish back to a healthy state in no time. ### ⭐⭐⭐⭐⭐ works as advertised,. not a miracle, just a good treatment *by R***D on March 31, 2026* One day and we've already noticed a difference I'm glad I found the advice to use this product We will keep it in stock The fish we were treating she is absolutely calm right now showing no stress at all She had damage to her slime coat from being picked down by smaller fish It's already healing! ### ⭐⭐⭐⭐⭐ Saved my fish! *by A***S on October 23, 2019* I got a poor little Betta fish from a chain pet store (probably my first mistake) and I was so excited because he was tri-colored and had a beautiful teal look to him! And he was what I was looking for 'red/white/blue' I was so excited! Well he got put into his new tank, and he didn't seem to be moving around much, even for a betta which I have owned in the past. I started taking a closer look at him about a month after I got him, and he looked to have fin rot. He had been biting his tail in the tiny cup which is hard to see in the photos... So I got this neat stuff because it's less than half of betta fix, is the same active ingredient, and has a higher concentration. Win, win, win. Started using it in his tank on a regular, adding one drop per gallon with an eye dropper and doing regular water changes. And would you know it, he started changing colors! Now I'm not saying that this stuff will make your fish morph like it did mine, but it will save them if you use it as instructed for what it is meant to be used for. What I didn't know at the time of buying him is that he had a SEVERE bacterial infection all over his face and sides. That white I thought was part of his color WAS HIM BEING EATEN ALIVE BY THIS BACTERIA. This medication is designed to get rid of that bacteria, which is what causes fin rot as well. After using it for about 3 months on a regular I had a completely different fish, literally. He was so much happier and looked even more vibrant and had much more energy to inspect and even flair at my camera and show of his beautiful colors. Long story short, if you use this, USE IT FOR WHAT ITS MEANT TO BE USED FOR AND YOU'LL GET GREAT RESULTS. I know I did. I still have little ATO to this day (I've had him for about two years now) and he now has an entourage of shrimp palls to keep him company. In the picture provided you can still see some of the bacteria on his face around his eyes, that's long gone at this point but I couldn't get a good picture for him from today. Little bugger keeps teasing me and then swimming away, ah well. These ones will be good enough. ## Frequently Bought Together - API MELAFIX Freshwater Fish Bacterial Infection Remedy 4-Ounce Bottle - API LIQUID SUPER ICK CURE Fish remedy, Freshwater and Saltwater Fish Medication 4 fl oz(Pack of 1), White - API AQUARIUM SALT Freshwater Aquarium Salt 36-Ounce Box --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/2417878-api-melafix-freshwater-fish-bacterial-infection-remedy-4-ounce-bottle](https://www.desertcart.vn/products/2417878-api-melafix-freshwater-fish-bacterial-infection-remedy-4-ounce-bottle) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-23*