Oceans Wonders Coral Frag mounts are perfect for attaching coral frags including hard and soft branching corals. Oceans Wonders frag disks are made using white reef sand and will quickly grow coralline and other natural biofilms. The use of reef sand sand as a natural calcium-based substrate has been shown to speed the spread of coral frags onto the plugs.
- Made from 100% Pure Caribsea sand
- 1-1/2" wide and 3/8" thick
- Made from natural calcium-carbonate-based sand shown to speed the spread of coralline algae and corals