I like having snails rather than crabs. When I have both it seems like the snails get killed by the crabs for sport. lol I think that snails are better for algae and sifting sand. I like Reefcleaners.prg but there are a few good companies out there for a CUC.
It depends tank to tank man. Depends on what issues your having. It depends on what fish you have in your tank i love wrasses most eat small crabs and snails . I like brittle stars i have two huge ones. Then i have one huge stomata snail . But like i said it depends tank to tank and what needs u have
I like having crabs but hate when they kill my snails. Since snail cost more. Even with empty shells they still take out my snails.
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That another issue I have. My wrasse likes to eat my clean up crew. I forgot to mention that in my 1st post. I’m not having any issues at the moment but I want something in my tank to eat any detritus or algae when it pops up.Any suggestions?