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Unread 11/16/2011, 09:17 AM   #4
Ron Reefman
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Join Date: Jul 2009
Location: Cape Coral, FL
Posts: 10,431
I have a couple of urchins in my nem tank and they do eat the coraline. I moved them into that tank because they are bulldozers in the DT. If all your corals and smaller rocks are held down tight, they wouldn't be a problem... but who does that?


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