you can get diffrent chromises from diffrent tanks BUT Its a lil better when you get them all at one time since they for the most part have establishes their pecking order, if you buy three here or three there, they will always re-establish a new one. I agree that spending 210+ lbs of LR is going to be a lot of dough, but you can sometimes get them to cut you a deal, I got mine for about 3.50/lbs kinda helped when I got about 300+ lbs of it. I think the very first fish I bought was a lawnmower bleeny, we was awesome, then he went down my overflow into my sump and never made it, 2nd fish was a false percula who has grooooown, I still have her to this day and is by far a fav fish of mine. If you are going to someday do large fish like tangs or angels I would get them as a juvi as watch them grow. Tank looks good as well keep up the good work, I was going to do a thread like yours but, im lazy and am usually swamped doing other things, kudos.