CerMedia Marine Pure Aquarium Biofilter Media Plate 20x20x2.5cm

The CerMedia Marine Pure Biofilter Media Plate is designed for ammonia and nitrite removal in freshwater and marine aquariums. Use in sumps or in tanks under gravel, easy to shape to fit in tight/custom places and filters. Marinepure creates the perfect bio home for bacteria with its porous inert structure and designed to maximise filtration with bio film technology.

Designed for Ammonia and Nitrite Removal Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates more efficiently without harming the environment. Use in sumps, stacked in extra-large filters.