When I initially "fragged" my first one, I just cut off an arm and shoved it firmly in some hole in rock...
Wasn't long before I found out that they spread themselves fairly quickly by just dropping off "buds" which will attach themselves to just about anywhere.
Use Tangster's method if you want to control spreading better.
Very difficult to use rubberband/gluing method with these corals.
But, prepare to be ruthless once they start spreading all over tank.
I have to cut out about a handful of the stuff a month to keep somewhat under control.
I seem to have two different types....one kind that grows slower, but gets larger and has heavier body form...(right below)
Other, smaller, grows much faster, spreads like crazy, is a bit more purplish in color...(left below)
Spreading all over tank on own...(once a small single piece).
