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#1
10-08-2007, 01:11 AM
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In my old tank tried both the long black spine and the tuxedo urchins (separately) for a Lobophora problem. Neither touched the algae but they sure did go through the coralline and I don't think they ate anything else.
To bad because lack eating of algae aside, they are rather interesting, just my coraline growth couldn't keep up. 
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#2
10-08-2007, 02:14 AM
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The long-spined urchin (diadema setosum) that I had ate all manner of algae, but it grew fairly quickly. I remember seeing online someone selling one the size of a basketball! So just be aware of that.
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz 
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#3
10-08-2007, 02:13 PM
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our tank was covered we got a pincution urchin (spelling doesn't count)he cleaned the tank really good
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#4
10-08-2007, 05:22 PM
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awesome guys thanks. even if they do eat coralline that would be a good thing too. it grows like crazy in my tank
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#6
10-08-2007, 05:42 PM
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I have a tuxedo urchin, I'm not sure he is good for anything at all other than the "wow is that an urchin" comments I get from nonreefers
 . But he doesn't hurt anything either so he stays
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#7
10-08-2007, 05:48 PM
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I have a hitch hiker that does more knocking off frags than algea eating.
Not worth the problems in my opinion. J
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