Frag tank CUC and fish?

Just setting up a frag tank and was wondering what would be the best clean up crew and fish to keep the racks and frags clean. Anyone have any suggestions or experience with diffrent fish? Thanks
 
Plenty of snails, and a few fish that will eat and poop into the water for the corals to consume. Damsels, perhaps a small tang.
 
not sure if this is relevant any more with such an old post, but I have tons of astreas, ceriths, hermit crabs, and a yellow coris wrasse
 
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