Bio-sponge Filter

Features: 1.Patented air cell structure to dissolve oxygen:compellingly separate water to supply much oxygen with the water. 2.Spercial beneficial aerobic bacterial colonies formula,build the microorganism filtration directly;to stabilize water with iplant abundant beneficial bacteria. 3.Comby structure;connectedopen pores in multi-stratum structure design to cultivate high-density nitrifying bacteria. 4.Culitivate nitrifying bacteria in tank;directly cultivate nitrifying bacteria in aquarium water to make the quickest nitrification and reduction. 5.Multi-choice;simple to run by connecting with power heads or air pumps,strong air-lift power,silently and good convection,please choose the suitable model according to the structure. 6.Circulative sponge can be put on the bottom of th emedium and big tank directly to make good convection by its largest surface area.