API Ammo-Carb Activated Filter Media for Carbon & Ammonia Removal, 40-oz carton
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Improve water quality in your freshwater aquarium by removing ammonia with API Ammo-Carb Activated Filter Media for Carbon & Ammonia Removal. Dissolved organic material like waste, plant refuse and uneaten fish food can adversely affect water quality and increase ammonia levels. This can deteriorate fish gills, cause stress, illness and ultimately harm your fish. But this unique filter media from API combines Ammo-Chips, natural ammonia-removing minerals, and Activated Filter Carbon to help eliminate ammonia, organic waste, colors and odors. Suitable for any freshwater aquarium filter.
Key Benefits- All-natural filtration media is designed exclusively for freshwater aquariums.
- Versatile system works with any aquarium filter, rather than a select few.
- Helps to remove dissolved organic materials and deadly ammonia.
- Mixes Ammo-Chips' natural ammonia-removing minerals with Activated Filter Carbon.
- Promotes fish health and vitality.
Compatible Products
See all compatible API filters..
California Residents: View Proposition 65 WARNING
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Item Number94295
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Aquarium TypeFreshwater
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Fish TypeTropical Freshwater, Betta, Cichlid, Goldfish
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MaterialN/A
Use 1/2 cup (8 tablespoons) of API AMMO-CARB for each 10 US gallon of aquarium or pond water.
Rinse thoroughly under cool tap water to remove any loose dust. NOTE: AMMO-CARB does not need to rinse clear. Place in filter inside the filter cartridge or in a filter media bag. Follow filter manufacture's instructions. Replace AMMO-CARB every 4 weeks, or sooner for heavily stocked aquariums or when ammonia, odors, or colors are detected.
Tip: Ammonia in an aquarium is produced by fish waste, uneaten food and organic debris as well as from chloramines in tap water. Even trace amounts of ammonia stress fish, suppressing their immune system and increasing the likelihood of disease. High levels of ammonia quickly lead to fish death. Test water weekly with an API Ammonia Test Kit or Test Strips, and replace API AMMO-CARB when testing indicates the presence of ammonia.
How many tablespoons per gallon are safe for dosing? I have several different size tanks!
Use ½ cup (8 tablespoons) of API AMMO-CARB for every 10 US gallons of aquarium or pond water. Replace API AMMO-CARB every 4 weeks, or sooner for heavily-stocked aquariums or when ammonia, odors, or colors are detected.

Fish Care Made Easier
API is a name you can trust when it comes to taking care of fish. Not only are they passionate about fishkeeping, but they're dedicated to improving the hobby and making it easier to maintain the ideal aquatic environment. From helping the novice set up a new tank to providing state-of-the-art filters for advanced systems, you can rely on API's dedication to quality.


Maintain the Perfect Setup
Fishkeeping is a much easier task with API, because they've taken all the guesswork out of setting up a tank and maintaining it. Their proven treatments include water conditioners and clarifiers, fish medications, pH adjusters, algaecides and quick-start solutions—all designed to keep your aquarium crystal clear and your fish happy and healthy.
Testing Is Key
Once you've started a new aquarium, the only way to keep it in perfect balance is with routine water testing. API gives you all the tools you need to create a nurturing environment for both fish and live plants. Their comprehensive Master Test Kits are tailored to freshwater, saltwater or reef environments, and individual tests for things like pH, ammonia or nitrites leave nothing up to chance.


Clearing the Water
API offers reliable three-step filtration for tanks of all sizes with their FILSTAR XP Canister filters and wide variety of filter media. These powerful filters constantly circulate the water, trapping organic waste and odors, removing harmful ammonia and contaminants, and helping good bacteria to thrive in the tank.
Superior Nutrition
Feeding your aquarium inhabitants, whether they're tropical fish, turtles or newts, is something that can be tricky without the right food. API developed a special diet for every type of fish—one that's highly palatable, which leads to less waste in the tank. And that means less ammonia to cloud the water. For your turtle friends, premium floating pellets and stick treats provide multiple vitamins for a stronger, healthier shell.


About API
Through extensive and continuous research and development, API created quality products for all levels of fishkeeping. As people who are passionate about fish care, they understand the rewards of keeping up a successful aquarium or aquarium. With easy-to-read guides and premium treatments, foods, filters and testing equipment, API helps aquarists establish and maintain an environment where fish can flourish.
Customer Reviews

86% Recommend
86% of reviewersrecommend this product
You've Already Reviewed This Item
7 Reviews
7 Reviews
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Works great in any type of pump or any size aquarium.
By Motheroffuzzies on Sep 30, 2020 top100Contributor
I've used this product for many years and have always had excellent results. The water is clear, the levels are where they should be and the fish are happy. I've tried other brands, but this has always worked the best.
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Tired of this ammonia.
By Redd on Nov 29, 2020
This product didnt work for me. My tank still have high ammonia.
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No more ammonia blues!
By Elaine on Mar 29, 2019
After several days of trying to clear the ammonia from my tanks, I received the Ammo-Carb. Soon after adding it to my filter (I checked 24 hours later), the water tested almost negative! What a relief!
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Amazing results!!!
By Thedogs on Jan 21, 2019
I used this product as directed and now our gold fish tank is in the best shape I’ve ever seen!!!
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Great Product
By josh on Apr 27, 2018
Just did a vacuum in tank and tank was very cloudy. I put this in my filter and water is crystal clear!! Great product
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GREAT PRODUCT
By Chevy on Feb 5, 2017
THEY CARRIER GREAT AND GOOD PRODUCTS FOR GREAT PRICES
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Good substrate for Bettas
By DCole on Jan 11, 2017
I use this as gravel in my Betta bowl. It keeps the water miraculously clear for days.