Thanks for the clarification Sam,  
I agree if the main tank is the problem a q-tank wouldn't do much. I guess I think no system is perfect, so even after I quarantine the fish there is no harm in the hobbyist doing it again. 
		
	
		
		
		
		
			
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James 
Aquarium Illusions
			 
		
		
		
		
	
		
		
	
	
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