Biohome Maxi Media, Premium Large-Sized Media For Aquarium & Pond Filter (2 Lbs)

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.