From what I know, crabs are opportunists, and you have to keep this in mind. In my experience, snails are difficult to keep alive, and I'm not sure how much of a dent they put in algae growth anyways. My next tank will only have hermit crabs and perhaps some turbo snails in it as far as cleaners go. Just my thoughts.
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-Quinn
Man, n. ...His chief occupation is extermination of other animals and his own species, which, however, multiplies with such insistent rapidity as to infest the whole habitable earth, and Canada. - A. Bierce, Devil's Dictionary, 1906
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