Easy-to use biological filter for tropical aquarium fish
Aquarium filter sponge for efficient biological filtration
Great biological filter for breeding or spawning aquariums
These filters allow you to cultivate nitrifying bacteria for superb biological filtration. Great for fry aquariums and brine shrimp hatcheries because they prevent young fry from being trapped in the filter media. Operates silently, creating numerous minute bubbles for increased oxygen flow. For aquariums up to 130 gallons. Each requires an
air pump and
airline tubing, sold separately.
Aquarium Size (up to)
6-7/8" x 7-1/2" high
6-11/16" x 9-7/16" high
4" x 10" high
6-1/8" x 11-7/16" high
4-3/8" x 9-7/16" high
4-3/4" x 9-7/16" high
4-1/2" x 7-1/4" high
2-3/4" x 9" high
3-1/8" x 5-1/2" high
3-15/16" x 9" high
2-3/4" x 3-1/2" high
Simply add 6 or more to your cart & we’ll apply your discount during checkout!
Discount applies to replacement filters.
Please click on "More Information" for addition details.
Produced from high quality hydrophilic filter material. Multi-strata design provides large surface area for optimum filtration.
Provides the ideal location for bacterial colonization.
Operated by an air pump to create numerous minute bubbles to increase dissolved oxygen content.
Replaceable filter sponge allow long lasting use.
Does not trap fish fry. Suitable filter when breeding and spawning Discus, Dwarf cichlids, guppies, and killifish.
Rinse the filter sponge first and the place in mature (cycled) aquarium water from 1 to 2 hours before use.
During maintenance, rinse filter sponge in warm (approximately 82°F) aquarium water.
Don't take the quality of your tap water for granted. If you draw your water from a well, nature may not be providing you the perfect balance. If you are using tap water from your municipal department, it likely includes minerals and additives.
Algae are prolific and opportunistic organisms that take advantage of aquarium systems that are out of balance. Water quality issues create ideal conditions for algae. This article explains how proper water quality helps control algae.
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