Quote:
	
	
		
			
				
					Originally Posted by  Aquattro
					 
				 
				Rock that's been sitting in a sump for years should have been tossed in the garbage, not your tank. 
			
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 Curious to why you would say this.  I am just setting up my first tank and I was planning to put some rock in my sump so if I do set up another tank, I have a clean source for live rock.  Is this a bad idea?