hey all,I was told that my lighting is too much for my tank but then was told ok by various LFS,i wanna see what you guys think..I have a 180 gal,72L x 24W x 25T and have 2 400w 20,000k lamps(Both on 2 hr at same time a day),I have some zoas,palys,kenya,acan,torch,hammer,and some misc coral plus a bubble tip.I was thinking of dropping to 250w or saving for a led system.what you guys think