What kind of a cleanup crew do you recommend for this job? I have nothing in the tank now but 1 yellow tang and 3 damsels. no live sand, no live rock. i am wanting to go that way though. thinking of trading in the livestock and taking out my UGF and CC, and dumping in live sand/play sand southdown and live rock, but don't want to drop a ton of money on the live rock right now. What to do? Just keep the way I am now and go with a clean up crew? I like my tank, but it's VERY boring because not really a lot of decoration or color to the tank. Any help would be greatly appreciated?