Oceans Wonders Coral Frag Disks are perfect for the propagation or fragging of hard and soft branching corals such as Acropora, Birdsnest, Montipora, Kenya Trees, Xenia, ect. They are 1-1/4" in diameter and 5/16" thick. They are made from a fused special grade bright white reef sand. This sand is a natural calcium based sand which has been shown to speed the spread of coralline algae growth and corals on the disks.
- 1.5" in Diameter
- 5/16" Thick
- Acgrocrete, not Ceramic - Made by fusing special grade white sand.