Cermedia MarinePure Rock Small

Ammonia, Nitrite, and Nitrate Removal The perfect substitute for Live Rock- safe, effective, and economical. Primarily designed to provide deep anaerobic zones for de-nitrification. Great for aquascaping and as a substrate to grow corals. Use directly in Aquarium tank - available in small or medium sizes.

• Vast Surface Area
• Open-Flow porosity Supports Coral Growth Coralline
• Algae Friendly
• Pest Free
• Phosphorous Free
• No Reefs Are Damaged
• Great Home for Copepods
• More Economical
• Less Water Displacement