Matala MWT009 Pond Filter Media 22" Round - Black

Black Matala is the least dense of the four densities. It should be used for filtering the largest dirt particles. The Black R-Matala is 6 inches thick so it is surprising how much dirt it can really trap. The Black Matala filter media can be used as a support grate for other layers of media due to it's very sturdy and open design. In a settling chamber the Black will slow down and trap very large particles and hair algae. The Black R-Matala will function a s a pre-filter to the biological section. The Black media can remove dirt particles before they reach the biological section. As a bonus, the Black Matala can also function as a biological filter due to it's available surface area for bacteria attachment. It is very versatile. R-Matala will naturally wedge in place without any need for support. However, you must measure the inside diameter of your tank and order the coil size which fits tight. If the coil fits too loose then the water will flow around the pads instead of through them. Four sequential densities can be perfectly employed to achieve maximum solids / bio-filtration. Each roll is 6 inches thick with a tremendous potential to trap dirt and yet is super easy to clean. Simply drain the waste out your bottom drain and gently pour pond water over the R-Matala If you use the Black Matala filter mats for solids filtering you may use the garden hose to spray them clean. The dirt falls off very easily.