I'm guessing this has been posted before but I heard about it recently while taking a tour of Mote and now I think I will give it a shot. If it holds true this is quite an improvement in growth times.
https://www.greenmatters.com/community/2018/12/04/nXKivtp/coral-reef-restoration
https://www.greenmatters.com/community/2018/12/04/nXKivtp/coral-reef-restoration

