Mud bed filtration is similar to that of other sand based [tag-tec]aquarium filtration[/tag-tec] systems, however the substrate is made of such a small grain size that it is like mud. A good filtration method to equate a mud bed to is the refugium.
In the [tag-ice]refugium[/tag-ice] method macro algae is grown in the fine sand. The mud bed filtration system is effectively the same, however instead of sand mud is used. It is not just normal mud though, it is a mud which is full of various elements and minerals. These elements and minerals are slowly released from the mud into the water column. [Read more]