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 1993 reviews
93%
(1859)
4%
(73)
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D
Dawn D. (Goldsboro, NC, US)
Sponge filter

Product arrived quickly and is working great.

A
Amanda M. (Columbia City, OR, US)
Best Sponge Filters!

We have all heard, "If it ain't broke, don't fix it" - well, sponge filters weren't exactly "broke", yet the Co-Op definitely found a way to "fix" them. The coarse sponge used on these filters is leaps and bounds better than the traditional, fine/small pore sponge used on the majority of sponge filters available. The Co-Op coarse sponge filters are absolute work horses - connected to an appropriate air source or power head they keep the tank clean and healthy. I run these filters in all of my pleco breeding tanks, which also house breeding colonies of endlers and shrimp, the sponge not only provides filtration, but also gives safe grazing surfaces to every creature in the tank.

C
Cheryl P. (New Brighton, PA, US)
Awesome Filters

I have these in almost all of my 30 tanks. Great for shrimp and fish fry. The weighted bottoms and ability to easily install an air stone are very nice features. I always have a couple extra on hand for the just in case.

J
Jacy C. (South Bend, IN, US)
Perfect for shrimp!

I'm currently using 5 co-op sponge filters on my shrimp breeding setup, and one in conjunction with a canister on my 40 breeder. I can't recommend them enough, perfect price point and highly functional. Do yourself a favor and buy 1 or 3 today!!

N
Nancie (Phoenix, AZ, US)
Perfect

I was just adding to a new tank love the ones in my other tanks