Aquarium Co-Op Coarse Sponge Filter

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  • Coarse Foam
  • Weighted Base
  • Can Install Air Stone

Sponge filters offer reliability and hassle-free operation. With no moving parts, all you need is an air supply and you've got a filter that is fully contained within your aquarium.  Sponge filters are completely reusable, don't need any replacement cartridges and last for several years. Trusted by fish farms and wholesalers, sponge filters are a great choice for reliability and to set and forget.

The Aquarium Co-Op sponge filter is designed using coarse foam so that it can go many weeks between cleanings. The coarse foam with the weighted base means it'll stack on the bottom of your aquarium. No more floating up after a water change or initial installation. Green Plastic helps hide algae and blend in with your live aquarium plants.

Customer Reviews

Based on 2002 reviews
93%
(1868)
4%
(73)
1%
(26)
1%
(12)
1%
(23)
M
Matthew T. (Vancouver, WA, US)
Sponge filter

I love them I just ordered another in for my 55g I love the color of them they blend so well without being an eyesore!

P
Peggy H. (Durham, NC, US)
The weight makes the difference

I have tried other sponge filters before that couldn't sit still. The extra weight on these works to keep these filters where I put them. I have 4 now. I watched one of the co-op videos on how to clean their sponge filters. In addition to bagging the filter when taking it out of the tank, I have learned to vacuum gravel around the filter after cleaning the sponge not before because gunk will collect around the base and no matter how careful I am about lifting the sponge out of the tank, some gunk escapes. So far, I am happy and my fish are happy.

D
Donald B. (Christiansburg, VA, US)
Sponge Filter

Works fantastic. I plan to get a couple more. Unbelievably fast shipping.

K
Kim M. (Quincy, MA, US)
Sponge filter

First time I tried a sponge filter, and it works great.

C
Customer (Lausanne, VD, CH)
Game changer

Sucks up all the mulm, and my shrimp love it!