MARINEPURE Cermedia Aquarium Biofilter Media Plate

• Inert ceramic bio-filtration substrate with up to 90% Open-Flow porosity.
• Removes ammonia and nitrites from water and reduces nitrate levels.
• The thin Bio-Film Technology stimulates the growth of beneficial bacteria.
• Lighter and more effective than live rock at 0.5 g/cc density.
• Can help improve the ecosystem quality and reduce tank maintenance.

Use in sumps, stacked in extra-large filters.