Oceans Wonders Coral Frag Rocks are perfect for the propagation or fragging of hard and soft branching corals such as Acropora, Birdsnest, Montipora, Kenya Trees, Xenia, ect. They are approximately 1-1/2" x 2" and 1" 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 rocks.
- ~ 1.5" x 2"
- ~ 1" Thick
- Acgrocrete, not Ceramic - Made by fusing special grade white sand.