Cermedia Block - Aquarium BioFilter Media Block - Marine Pure

Marine Pure - Cermedia Block -  Aquarium BioFilter Media Block

The Marine Pure Cermedia Block is a ceramic Bio-filter Media with Vast Surface Area and Open-Flow Porosity
  • Ammonia, Nitrite & Nitrate Removal
  • Primarily designed to provide deep anaerobic zones for de-nitrification in passive or low flow systems.
  • Live rock substitute
  • Inert Ceramic
  • Use in Aquarium sumps

Size: 8x8x4" Block