I definitely also enjoy the CUC for more than their cleaning ability. They are great to watch! Narcissus snails come out of the sand like zombies at feeding time. Porcelain crabs filter the water with catcher's mitts and also sift through the surface of the sand. Blue & Red legged hermits are great fun watching as they change shells (dozens of times). The fact that they clean up is secondary for me -- it's more part of having an entire eco system!
(and with a new build in the works, going from a 65 gallon DT to a 210, I'm looking forward to expanding my CUC and having even more neat activity to watch!)
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Single System Setup: 210G SPS reef, 225G FOWLR, 72G water change, 50G frag, 120G sump. I promise a journal at some point! (anyone need some coral frags? I likely always have stuff that is frag-ready)
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