Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

Carib Sea's Geo-Marine Florida Crushed Coral is the only crushed coral with aragonite and provides over 25 times the buffering capacity of other crushed corals. In actuality, this product is not crushed at all, but is a natural product that is screened to size. Can be used alone or as a textural admixture.