Ideal aquarium substrate for marine, reef or african cichlid aquariums. Helps maintain proper pH of 8.2 wthout the use of chemicals. Has incredible surface area, up to 100,000 sq inches per pound.
- Proven to reduce nitrates better than regular aquarium gravel
- Makes maintenance easier
- Small, smooth grains are fish friendly
- Perfect for Rays or other bottom dwelling fish and invertebrates