My giant slimer is the fastest growing coral I've ever seen. It started as a baseball sized cluster of maybe 6 and now has at least 30 branches and is the size of a basketball. It's almost at the waterline so I'm going to have to start fragging which is ok cause last month each tip started shooting off in multiple directions. Once it gets going it really gets going. I have LED lighting and dose calcuim to keep it happy. If you check out my profile my album called 55 reef and I recently uploaded a full tank shot, you can see how big it is there.