Marine Pure Biological Media - Block (8 x 8 x 4 Inches) 20 X 20 X 10CM Short Spine Pencil Urchin (Black) The Raccoon Butterflyfish

The Raccoon Butterflyfish

Aerobic - Optimized for Nitrite

Fully adjustable flow

Electronic Ballast for flicker free operation

Marine Pure Biological Media - Block (8 x 8 x 4 Inches) 20 X 20 X 10CM Short Spine Pencil Urchin (Black) The Raccoon ButterflyfishMarinepure 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,