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  • Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack
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Tetra Whisper Unassembled Bio-Bag Filter Cartridges

by Tetra
| 8 answered questions

List Price: $29.99
Price: $10.25 & FREE Shipping on orders over $35. Details
You Save: $19.74 (66%)
In Stock.
Sold by Fat Happy Pets and Fulfilled by Amazon. Gift-wrap available.
Large
Large, 12-Pack
  • Easy to Assemble, Easy to Replace
  • The Whisper Bio-Bag multi-packs come unassembled and offer economical pricing on larger quantities
  • Three stage filtration
30 new from $7.99 7 used from $9.94

Free Stand with Aquarium
Get a free Fluval stand when you purchase the Fluval Accent aquarium. Savings for a limited time and valid on products shipped & sold by Amazon.com

Frequently Bought Together

Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack + Tetra 26160 Whisper Bio-Bag Cartridge, Unassembled, Medium, 12-Pack
Price for both: $19.91

One of these items ships sooner than the other.

Buy the selected items together


Special Offers and Product Promotions

Pattern Name: Large | Size: Large, 12-Pack
  • Buy Used and Save: Buy a Used "Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled...” from Amazon Warehouse Deals and save 66% off the $29.99 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all Used offers from Amazon Warehouse Deals.

Product Details

Pattern Name: Large | Size: Large, 12-Pack
  • Product Dimensions: 5 x 9.2 x 8 inches ; 15.4 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B001DCZUO0
  • Item model number: 26164
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (351 customer reviews)
  • Amazon Best Sellers Rank: #251 in Pet Supplies (See Top 100 in Pet Supplies)
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Product Description

Pattern Name: Large | Size: Large, 12-Pack

Whisper bio-bag cartridges complete the Whisper power filter package for a clean, easy-to-maintain aquarium. The Whisper bio-bag multi-packs come unassembled and offer economical pricing on larger quantities.


Customer Questions & Answers

Customer Reviews

The product came on time and in great shape.
Titusman
The Multi pack however is a great deal and much cheaper than buying a new single filter every few weeks from the local pet store.
Zachery Hays
These cartridges are easy to use, easy to assemble and put into the filter.
Stephanie Meeker

Most Helpful Customer Reviews

28 of 31 people found the following review helpful By Diver Ed on May 9, 2011
Pattern Name: LargeSize Name: Large, 12-Pack Verified Purchase
Everyone is going to "prepackaged" filter cartridges. I prefer the flexibility of putting whatever I want into the filters. I prefer 1/3 activated charcoal and 2/3 ammo chips. This keeps the tank clean and also keeps the ammonia down since I keep a heavy load of fish in my tank. I can't seem to find these filters in my pet store, so I get them online. I change my filters every two weeks, so when I run low, I order more and they are delivered before I need them. I highly recommend these filters.
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33 of 39 people found the following review helpful By WWCO on October 10, 2011
Pattern Name: LargeSize Name: Large, 12-Pack Verified Purchase
I have found making my own filters allows me to add more activated charcoal carbon filter media. The small package found in most filters does not (in my opinion) clean enough because they have only about a handful of filter media inside.

DO YOU WANT BETTER FILTERIZATION?:
I now use the unassembled filter bags -- I add enough activated charcoal to FILL the filter from bottom to top of the filter sac - then the water flows thru the charcoal and NOT around it. BE SURE TO rinse the filter with water to remove loose charcoal before re-installing in the filter frame.

HOW I MAINTENANCE THE TANK:
I maintenance the tank weekly or bi-weekly, first I remove the decorative accents from the tank so I can clean the rock by a gentle stirring motion,(being careful not to bump into the fish) then I loosen debris in rock with the tank water siphon vacuum tube - removing 1/4 the water. I wipe the glass with clean paper towel if needed to remove salts or other debris that accumulates on the glass, I add some fresh water to top off the tank, add de-chlorination, test the water (using a water test kit) and change the filter after filtering with old filter for 45 mins - 1 hr to remove the majority of debris loosen from gravel. That routine seems to keep the tank clean and the goldfish healthy.

BEFORE vs AFTER: I use to buy pre-made, and had fair results for cleaning but after I noticed the pre-made have very little charcoal in the filter sac, I decided to make my own and add more filter charcoal. Now that I have increased the amount of filter charcoal (they call it activated carbon) media, the tank water is MUCH cleaner - at least 50% cleaner overall.
Read more ›
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11 of 12 people found the following review helpful By Amazon Customer on August 7, 2011
Pattern Name: LargeSize Name: Large, 12-Pack Verified Purchase
I own a Tetra 100 gph internal filter for my Turtle tank. It takes the large filter cartridge. I replace them almost once a week. At first I tried Tetra's newer all in one type, where you don't have to add the charcoal and there is no filter frame to deal with. I had lot of trouble with this and sometimes it got clogged up too quickly because it would sag a little. Stay with Tetra's traditional style and save money by installing the filter onto the frame and add the charcoal. It's less convenient but things work out better. The 12 pack at Amazon is about a $1 each filter which is A LOT less than the single pack or any packages Tetra sells. So if you have a LARGE Tetra filter (internal or external), this "old school" filter package is better and a lot less money than all the others Tetra sells.
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10 of 11 people found the following review helpful By KC on August 17, 2012
Pattern Name: LargeSize Name: Large, 12-Pack Verified Purchase
I've been using these filters for at least a year, and the unassembled filters are a bargain compared to the pre-assembled. The filters definitely catch a good amount of impurities, so much so I'm finding myself replacing them after a week, even after turning them around, which does buy you another couple of days. I use them in the larger dual Marineland Penguin Power Filter, so I go through quite a few of the Bio Bag filters. My only complaint is the relatively small amount of charcoal that comes with each filter bag. To supplement the charcoal, I add a bit (not a lot) of the Marineland PA0392 Diamond Blend Activated Carbon/Ammonia Neutralizing Crystals, 50-Ounce, 1417-Gram, found here:
http://www.amazon.com/Marineland-PA0392-Activated-Neutralizing-1417-Gram/dp/B0002566YM/ref=sr_1_28?s=pet-supplies&ie=UTF8&qid=1345250796&sr=1-28&keywords=marineland+filter
I believe this blend compliments the charcoal, while at the same time using more of the space available in the pouches. Also, if you find the little plastic clips that seal the top of the bag starting to loosen up, I've substituted one of those little metal clips typically used to hold sheets of paper together that you pinch to open, like these:
http://www.amazon.com/ACCO-Binder-Medium-Capacity-A7072050/dp/B0035OQGA6/ref=sr_1_2?ie=UTF8&qid=1345251846&sr=8-2&keywords=paper+clips
Anyway, I hope someone finds these suggestions useful.
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3 of 3 people found the following review helpful By KOIS on April 21, 2011
Pattern Name: LargeSize Name: Large, 12-Pack Verified Purchase
this is the best deal I've found on these filters, and I like them much better than the pre-made kind. The rigid plastic frame fits snugly in the filtering machine, instead of flopping around like the soft pre-mades. They only take a few seconds to assemble-very simple. Just be aware you only get one frame-I didn't notice and had to order three more boxes for my 55-gal. tank with two double filters. No big deal-I'm set for a while now.
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3 of 3 people found the following review helpful By tigerfire2002 on July 14, 2007
Pattern Name: LargeSize Name: Large, 12-Pack
I use these in a 29 gallon tank and they work great. i never have a problem with my water being dirty. One of the really nice things about these filters are that you can add a different kind of Carbon if you need to. My ammonia levels started to rise (my fault not the filters) so i was able to put in the ammonia removing carbon instead of the regular stuff without a hassle
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