Description
Can be used for DIY in-tank or sump moving bed filters. An air pump is needed to make the filter media to move, it would be more efficient if there are micro bubbles in water. The media to water ratio: 15%-65% 5-room design offer more surface area for filtration capacity It takes 1-6 weeks to be fully fluidized. Self Cleaning – never requires cleaning or being replaced Size: 10mm (D) x 7mm (H) each piece Can be used for DIY in-tank or sump moving bed filters. An air pump is needed to make the fi
