Aquarium Solutions Bacto-Surge Foam Filter – Up to 125 Gallons
Perfect for large aquariums, the Bacto-Surge Foam Filter by Aquarium Solutions provides powerful yet gentle filtration for tanks up to 125 gallons. Measuring 5.75" high by 6.25" in diameter, this high-capacity air-driven filter offers excellent mechanical and biological filtration, making it ideal for freshwater fish tanks, breeding setups, and fry or shrimp systems.

The high-density foam maximizes surface area for beneficial bacteria colonization while delivering quiet, efficient water movement when paired with an air pump (sold separately). Easy to install and maintain, this sponge filter is a great choice for aquarists looking for dependable, low-maintenance filtration that promotes crystal-clear, healthy water.