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					Originally Posted by  riceboy
					 
				 
				i wouldn't mind in getting some lol, its a pain in the but to scrape the back panel of the tank lol. 
			
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 They like to eat all the coralline off the acrylic overflow - I think it has a harder time growing onto it, and consequently it's easier pickings for the chitons.
The back glass they only scrape parts here and there.