refugium

Dear R2R Members, Should the cheat in my refugium be replaced with new cheato and miracle mud? Basically revamping it. Thanks! Tanner

So I decided to start a refugium in the back chamber of my All-in-one JBJ 30. I went ahead and purchased this LED Submersible Light - http://www.ebay.com/itm/252220625268?_trksid=p2057872.m2749.l2649&var=551053538879&ssPageName=STRK%3AMEBIDX%3AIT I bought the smallest one since the back...

Im setting up a display refugium for my already existing 90gal mixed reef. What i'm having trouble with is deciding on a tank size and light that will grow Caulerpa, Halimeda, Penicillus capitus, ect. The tank sizes i'm looking at are 29 and 37 because i already have a stand 30in x 12in. Since...