Biohome Maxi Ultimate Media Large sized Filter Media. Suitable for sumps. Biohome Maxi is essentially the Biohome Ultra with added trace elements to increase bacteria performance and has a porosity of approx. 50%. You can check out the extreme porosity of the media by touching just the tip of a piece media to the surface of some water. You’ll be amazed at how fast the water is drawn up the entire length.
