I haven't had a problem with snails yet *knocks on wood*. My cerith snails seem to be doing an alright job... the rocks that I placed them on in the beginning were clean of diatoms and such only after a few days, while the rest of the tank was still covered in it. So I'm hoping a few more cerith snails would do the trick in keeping my tank clean. I may experiment with one or two hermit crabs to see how it goes, if they start killing snails, I'll throw them in my refuge.
-Richer
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