Sponge Filters

The humble sponge filter has long been a favorite of fish keepers and breeders, for good reason. It provides both mechanical and biological filtration as well as aeration and circulation, at a minimal cost. Simply attach to your air pump, place in the water, and you have a low cost yet effective and efficient filter. They are great for use in temporary holding tanks, fry/fingerling nursery tanks, bait tanks and quarantine tanks. Sponge filters are also fantastic for speeding up the cycling process of a new system or fish tank. Simply take a sponge filter from an established cycled tank/system and place it in your new one for an instant addition of beneficial nitrifying bacteria. The bottom line - Sponge filters pack a lot of punch for very little cost.


Available in multiple sizes to best suit your needs.


Sponge Filters
$7.50 $4.99
This 4.5" Wide x 4.5" High Sponge Filter features a weighted plastic base that keeps the unit from floating during use, and a cylindrical design to...
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$5.75 $3.49
This 2.5" Wide x 3" High Sponge Filter features a weighted plastic base that keeps the unit from floating during use, and a cylindrical design to eliminate...
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