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			#11  
			
			
			
			
			
		 
		
		
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			 Lol they wont eat holes in corals. I've had two of slightly different colours for a long time, maybe 3 years? And i've had a couple others for about a year in the past. Never had any problems with my rock or corals. I definitely would take it. They are entertaining for people, slow moving, dont knock anything over. I myself like them  
		
	
		
		
		
		
			![]() Cheers, Chris 
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	No more tanks   - Laying off the ReefCrack for awhile!Cheers, Chris  | 
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			#12  
			
			
			
			
			
		 
		
		
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			 Hah, I must have been writing as whatcanyedo posted...  
		
	
		
		
		
		
			None of mine have every damaged my silicone, and I rarely see them on the glass. Cheers, Chris 
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	No more tanks   - Laying off the ReefCrack for awhile!Cheers, Chris  | 
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			#13  
			
			
			
			
			
		 
		
		
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			 I used to have 3 different tanks so I tried the urchin in all of them but he kept going after the silicone... It was too weird to be normal so I assume that most are like yours and wouldn't do that. 
		
	
		
		
		
		
			
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	"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour  | 
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			#14  
			
			
			
			
			
		 
		
		
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			 Hmm, interesting and odd. 
		
	
		
		
		
		
			
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	No more tanks   - Laying off the ReefCrack for awhile!Cheers, Chris  |