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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
1,215 customer reviews
| 22 answered questions

List Price: $29.99
Price: $10.99 & FREE Shipping on orders over $35. Details
You Save: $19.00 (63%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
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
27 new from $9.99 3 used from $9.34

Tetra Color Fusion Aquarium
$10.99 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack + Tetra 26313 Whisper EX 70 Filter, 45-70-Gallon + Tetra 26332 Whisper EX Carbon Filter Cartridges, Large, 4-Pack
Price for all three: $49.44

Buy the selected items together

Special Offers and Product Promotions

Size: Large, 12-Pack

Product Description

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.


Product Details

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)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B001DCZUO0
  • Item model number: 26164
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (1,215 customer reviews)
  • Amazon Best Sellers Rank: #252 in Pet Supplies (See Top 100 in Pet Supplies)
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

45 of 46 people found the following review helpful By Pri on December 28, 2011
Size: Medium, 12-Pack Verified Purchase
When ordering these I was afraid it would be a complete hassle to assemble them. Turns out it takes less than two minutes and is SUPER easy. All you do is stick the frame into the bag, pour the carbon in, clip the frame closed and pop it into your filter. Note that it comes with only one plastic frame, so when replacing you need to take it apart and save the frame. Not a big deal; after assembling this one, I took apart the pre-assembled one I was replacing and found that nothing additional goes into the assembly of the ones that are sold assembled. I was able to save the frame from that one, so I'd have an extra just in case. The same exact frame and clip are used. In light of this, the price of these is awesome. You get a year's supply (provided you need them for just one filter) for the price you'd get 2 or 3 assembled ones. Such a HUGE discount for SO LITTLE additional effort. I noticed some people complaining about differences in sizing. There is no difference, unless you're used to the different name for the sizes from a while ago. Medium = Junior apparently, and it's written on the box. But I don't see that name for the sizing of this brand at the pet store anymore. If you're currently buying the assembled medium ones, these are the ones you need to buy.
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68 of 72 people found the following review helpful By ahtas on February 18, 2012
Size: Medium, 12-Pack Verified Purchase
Just a word of caution to buyers who are unsure of sizing. this filter measures 3.5" x 5". the product description listed is not accurate and is actually the packing size. Otherwise a great product.
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26 of 26 people found the following review helpful By D. Reid on June 1, 2008
Size: Medium, 12-Pack Verified Purchase
I am always happy with my Amazon purchases and this one was no different. However one has to make sure that the right cartridge size is selected as the Whisper Bio-Bags have changed their sizes. The regular is now Large and the Junior is now the Medium. Double check your whisper size requirement as I now have 12 cartridges to find good use for...no biggie I'll always have use for Whisper cartridges at this price...oh by the way EXCELLENT PRICE!
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55 of 61 people found the following review helpful By WWCO on October 10, 2011
Size: 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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36 of 39 people found the following review helpful By Diver Ed on May 9, 2011
Size: 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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26 of 28 people found the following review helpful By Jersey Chuck on April 21, 2011
Size: Medium, 12-Pack Verified Purchase
I own a Tetra Decorative Reptile Filter for Aquariums up to 55 Gallons and wasn't sure if these were the correct replacements for the filter, they work perfect!

I was buying the Tetra ReptoFilter Disposable Filter Cartridges,Medium, 3 Pack (Disposable) for between 7 and 13 dollars (For three) and accumulated about 20 used ones. I'm glad I held onto them because the "Reusable" plastic frames are identical and now my cost is a buck apiece, saving me more than 50%.

Very easy to to assemble!
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22 of 24 people found the following review helpful By KC on August 17, 2012
Size: 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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Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack
This item: Tetra 26164 Whisper Bio-Bag Cartridge, Unassembled, Large, 12-Pack
Price: $10.99
Ships from and sold by Amazon.com