API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6
Help reduce nitrate in your aquarium and create conditions for fish to thrive with API Nitra-Zorb Filtration Media. Fish waste, uneaten food, plant refuse and other organic matter increase nitrate, nitrite and ammonia levels which is harmful to fish. These conditions cause gill damage, stress, illness and even lead to fish loss. API's Nitra-Zorb Filtration Media reduces this risk of fish loss with high-quality filtration media that targets and removes nitrate, nitrite and ammonia from freshwater aquariums. It is 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 20 ppm.
Key Benefits- 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.
Compatible Products
See all compatible API filters.
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Item Number94527
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Aquarium TypeFreshwater
Rinse pouch under tap water. Place pouch in path of water flow in the aquarium filter. For a new aquarium or when ammonia or nitrite is detected: recharge every 5 days for the first month, and then every 2 weeks for the second month. For an established aquarium: recharge every 2 weeks. When nitrate is detected: recharge every 5 days until nitrate is reduced to 20 ppm (mg/L) or less. Replace pouch after 2 months.
What size are API NITRA-ZORB pouches?
These pouches are size 6, and are designed to work with tanks up to 55 gallons.
What are the dimensions of API NITRA-ZORB bags?
The actual pouch is 7 x 7 inches square, but because of the media, the final dimensions are 7 x 6.5 inches. The pouch is sized to sit nicely in one of the baskets of the Filstar canister filters. All of the size 6 pouches (Phos-Zorb, Nitra-Zorb, Bio-Chem Zorb, Activated Carbon, etc.) will be this size. This pouch does not have any stiffness to it, and may 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.
Does API NITRA-ZORB replace other media bags?
API NITRA-ZORB filtration should not fully replace other media; it is for temporary use only.
How is this product different from API BIO-CHEM ZORB, API PHOS-ZORB, etc.? What makes one a good choice over the other?
API NITRA-ZORB specifically works to target and remove ammonia, nitrites, and nitrates from your aquarium, all of which are harmful at high levels for your fish. Use API NITRA-ZORB if these levels consistently spike. Contrarily, API BIO-CHEM ZORB works to remove more general aquarium pollutants, such as colors, odors, heavy metals, and toxic gases. API PHOS-ZORB specifically targets phosphate and silicate in aquarium water.
Customer Reviews
80% Recommend
80% of reviewersrecommend this product
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10 Reviews
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I think it's working?
By Shod on May 4, 2019
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.
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One bag took care of over 400 gallons!
By StormyJ on May 27, 2018
Our sump system for comet goldfish at work had an ongoing nitrate problem to the point we were losing dozens of fish day. As a last ditch effort after exhausting all other options to save our fish, we tossed a bag of Nitra Zorb into the sump. The next day, the nitrates that had been at nearly 200ppm had HALVED. One recharge later and the nitrate problem is resolved and our comets are thriving. This stuff saved our fish and we'll be keeping a bag on hand for any emergencies later on.
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Great product
By BigE on Jul 3, 2018
This product works great tank is crystal clear i have to check the numbers and see if it helped my nitrate problem. Fish seem to be swimming around just fine.
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Works fast
By FrostBite on Mar 22, 2018
I had a nitrate/nitrite problem in my aquarium and this worked quickly without any unexpected side effects. It is important to rinse before using to avoid a cloudy tank. I currently have it recharging in an aquarium salt solution.
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DO Not Use This Product
By Stephen on Feb 27, 2018
Awful stuff. Turned my entire aquarium like milk in a matter of seconds. And yes I did rinse the bag before putting it in the tank.
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Effective toxin remover
By Rick on Sep 15, 2017
Nitra-Zorb removes ammonia and nitrite and is very effective at lowering nitrates, which is also toxic at high levels. Be advised: after saturation, Nitra-Zorb must be soaked in a saline solution (4 tablespoons of aquarium salt in 8 ounces of water) for 2 hours to be recharged. Simply rinsing the bag will not recharge it.
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Great product!
By Karlee on Sep 10, 2017
I have been struggling with high nitrate levels in my tank. I purchased these and they have dropped. Very happy with this product. Chewy has awesome prices and they have the fastest shipping around. It's always been shipped the day I order. Very happy customer! Thanks chewy!
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Doesn't fit!
By fishymom on Apr 30, 2017
Write up said fits most filters. Well it doesn't fit mine! So be careful- my filter is a Penguin Biowheel 200 that uses Size C filters for a 20G tank. I'm not going to bother to try to return it
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The best part about this product is no measuring, just rinse under tap water and put in your filter. It works
By Shar71 on Feb 26, 2017
Will continue to buy. Love this product it has helped me keep my over stocked aquarium under control. Just rinse under tap water, put in filter and let it do its job. This product is no measure, no mess which is the important part when that is what you have to do all the time for a good aquarium.
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Nitra-Zorb is Excellent
By DeLisa on Nov 7, 2016
Being a new aquarium owner of goldfish and testing for ph, ammonium, nitrite and nitrate...this product definitely removed the nitrite and nitrate from the aquarium! I will continue to use this product!
