hygger Aquarium Sponge Filter 820 Gallon Small Fish Tank Filter for Turtle Breeding Fry Shrimp Snails Betta AirPowered Filter with Reusable Biochemical Ball Spare Sponge Foam Filter

Precision Double Filtration hygger sponge filter consists of a circular bio cotton and a chamber base with bio ceramic ball that provide both mechanical and biological filtration for your aquarium which is suitable for low flow breeding like betta guppy shrimp snail and fish fryturtle tank Or as a prefilter for other filtration systems Working Principle This airdriven sponge filter is powered by an air pump that uses the waterlifting effect generated by rising bubbles and drives water flow through filter sponge which can effectively adsorb excreta and residual bait to achieve the purpose of filtering and purifying water quality Filtration biochemical cotton has a highdensity pores structure which can more easily catch impurities and particles in water Culture the filter chamber is equipped with bio ceramic balls that help break down waste and cultivate beneficial stuff Oxygenation builtin a small bubble stone at the bottom can effectively increase the dissolved oxygen content in the water and generate a lot of bubbles Use and Maintain 1 Our fish foam filter includes two sponges that take the spare sponge off and stay the other on filter before use 2 Filter container is easy to detachable and can be freely replaced with any other filter media as needed 3 Hook the filter up to air pump and squeeze the sponge until it is full of water making it sink to the bottom of the tank 4 The sponge should be washed approximately every 24 weeks use tank water rinse to ensure the filter works properly Three Size For Choice Small 29W x 41H it works pretty well filtration for 8 to 20gallon small aquariums with under 14 depth Medium 29W x 6H suggested for 20 to 55gallon mediumsized aquariums with under 197 depth Large 39W x 64H suggested for 55 to 125gallon aquariums with under 264 depth.