API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6 - Chewy.com

API Nitra-Zorb Aquarium Canister Filter Filtration Pouch

Rated 4.3684 out of 5 stars

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$16.98Chewy Price
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Frequently Bought Together

This Item - API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
Rated 4.3684 out of 5 stars
$16.98Chewy Price

Buy 3, Get 4th Free- Mix & Match

API Super Activated Carbon Aquarium Canister Filter Filtration Pouch, Size 6
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About This Item


  • Removes toxic ammonia, nitrate and nitrite. Ready to use pouch for freshwater aquariums.
  • Reduces this risk of fish loss with high-quality filtration media that targets and removes nitrate, nitrite and ammonia from freshwater aquariums.
  • Composed of natural and synthetic ion-exchange resins in a convenient pouch and can be recharged.
  • Use during aquarium set up or whenever nitrate or ammonia levels are above 200 ppm.
  • Can be easily recharged with freshwater aquarium salt.

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Fish TypeTropical Freshwater, Betta, Cichlid, Goldfish, Bottom FeederTropical Freshwater, Marine Fish, Betta...Tropical Freshwater, Marine FishTropical Freshwater, Marine FishTropical Freshwater, Marine Fish
Aquarium TypeFreshwaterFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, Saltwater
MaterialFoamPolyester, Synthetic FabricFoam

Questions & Answers

16 Customer Questions

I have a Magniflow 220 canister, would this fit well in the trays?

I have an aqueon 75 hob filter. Can i just stuff this in there and it will work the same?
Answer by ChewyJun 08, 2018
This product is intended for use with API canister filters.

Can you use this in salt water tank?
Answer by ChewyApr 30, 2021
This product should not be used in a salt water tank. If added to a salt water tank, nitrite and ammonia will be released instead of being absorbed.

What are the dimensions of the bags?
Answer by ChewyApr 20, 2018
The actual pouch is 7 x 7 inches square, but because of the media, the final dimensions are 7 x 6.5 inches. This pouch is sized to sit nicely in one of the baskets of the Filstar canister filters. All of the Size 6 pouches (Nitra-zorb, Phos-zorb, BioChem-zorb, Activated carbon, etc) will be this size. This pouch does not have any stiffness to it and so can easily be placed in the back of a hang-on-back filter or other sizes of a canister filter. If the filter is very small, the pouch can be cut open and partial contents can be put into a small filter sock.

ReviewsWrite a Review

Rated 4.3684 out of 5 stars
19 Reviews
Would recommend to a friend

19 Customer Reviews

Filter by reviews that mention

Rated 5 out of 5 stars
By Kasper on Jul 1, 2021

Great product

It’s difficult to find a specific a good product to help rid your tank of high Nitrate levels. But this did the job along with persistent water changes

Rated 5 out of 5 stars
By heather77 on Apr 26, 2021

nitrate problems

This stuff is amazing I’ve fought nitrates for going on 6 months slipped this pouch in my canister and 2 weeks later boom!! Nitrates perfect. One bag for a 75 gallon.

Rated 5 out of 5 stars
By Jessie on Feb 26, 2021

Good solution

We had high nitrogen levels in our small 10 gallon aquarium and no amount of water changes helped. I put this in the filter and within hours the levels were perfect. It’s super easy to use also.

Rated 5 out of 5 stars
By RoseBetta on Dec 26, 2020

Works like it’s supposed to

I have a 10 gallon cube aquarium that has a sump tank setup. My nitrates are usually in the 20-40ppm range but I wanted them to be lower. When I do my weekly water changes, the nitrates drop to about 10ppm. I used this and it dropped to about 5ppm and kept it there for about three days. I’ve noticed the algae growth has slowed down in my planted tank, which is a bonus when I do my weekly maintenance. The bag is very fine so it’s easy to rinse and holds the particles well.

Rated 5 out of 5 stars
By Bbonds123 on Mar 31, 2021

Works great!

I use 2 in my filter, and recharge them every 2 weeks. Tank is clearer, and my fish are thriving!

Rated 5 out of 5 stars
By Mike on Jun 28, 2020

Great Product for me.

Used this product in my 30 gallon aquarium and after 2 days the Nitrates dropped to 5.0 ppm from a blood red looking vile or maybe over 100 ppm. It's to early for the final result, but so far great results. I swapped out for a new filter and cleaned the filter chamber and added the bag behind the filter. I believe my problem was from over stocking the tank along with over feeding and infrequent filter changes. I also needed to up the volume of water changes instead of just 5 gallons at a time. I was doing frequent water changes at the 5 gallon volume to bring down the numbers, but no change until I added this product. I'm going to recharge the bag in a few days.

Rated 5 out of 5 stars
By Adele on Jul 29, 2020

Great product!!

Highly recommend. Fantastic carbonless filtration system for 30-50 gallon tanks!

Rated 2 out of 5 stars
By Nitrazorb on Apr 29, 2020

no good it is not working this product

After 10 days in my aquarium , second recharged already did I have not seen any positive results

Rated 5 out of 5 stars
By Jennifer on Dec 23, 2019

Love this!

After 24 hours in my filter, my ammonia went to 0, and my nitrates were reduced by half. It's easy to recharge, and will definitely buy again in the future. Had to rinse it several times before adding it, so make sure you do too!

Rated 4 out of 5 stars
By Shod on May 4, 2019

I think it's working?

The nitrate level has been decreasing since purchasing and using this stuff, but it still doesn't seem to be the best. Not really certain if it's the stuff or something we're doing though.