I have a 125g with 25-30 different corals and a sailfin tang, two firemouths, and three blennies, and two bubble tiped annemonies, (which both have split so now it's four). I have just purchased a 250g tank, which I intend to set up come Janurary. I have a 135g tank with a long scratch in the front and back so I want to use it to build a refuge. I also want to build an area for future propagating of some corals. Can anyone direct me in the right direction and how to set this up? Thanks for all info.