I have mushroom coral growing all over a single rock in my tank. How do I frag it?
There are a couple of ways you can frag a mushroom coral.
The first method does not involve fragmenting the coral at all. Instead, you simply thin out the population. I'm not sure if you'll be able to do this, but removing the "mushroom rock" from your aquarium will make your job much easier.
The only tool required is a chisel, although you may want to use a hammer, too. Find the base of the mushroom you want to remove and put the edge of the chisel on the rock just before the base of the coral. Tap the chisel gently; use a hammer if necessary. The goal is to remove a thin layer of rock with the mushroom still attached to it. Use reef glue or a two-part epoxy to attach the rock/frag elsewhere or leave as-is to sell (or trade) to another hobbyist or your local fish store.
To actually fragment the coral (make one into two), you'll need a new razor blade or scalpel. Cut the mushroom down the center, making sure to cut through the center of the coral's mouth. This does not remove the coral from the rock, so grab your chisel to complete the job.
For more information on fragging corals, try A Beginner's Guide to Fragging Corals. If you're ready to start fragging but need supplies, visit our Coral Propagation Store. And, as always, if you need assistance, please do not hesitate to contact us ... we're here to help!
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