Why would anyone want coraline? I dip everything so it won't grow although It still gets in my tank 
 
I found coraline grows fastest on plastics and the more you clean it off the more it spreads 
 
Personally I don't like it because I'm lazy and don't like cleaning it off glass, other than that there is no downside to having it as far as I know 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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