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View Full Version : I heard that urchins scratch acrylic, true or false?


crazyguy34834
12/10/2006, 02:02 PM
I would like to have two urchins in my 75g acrylic reef tank but do they scratch acrylic? if so, how bad?

AZDesertRat
12/10/2006, 05:48 PM
True.

greenbean36191
12/10/2006, 06:37 PM
They can bite gouges into the tank that are impossible to remove..

dippin61
12/11/2006, 01:54 PM
if they can chew up corraline and eat it, then id assume theyd be able to scratch acrylic.