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			 Hi, I have a 135 gallon reef tank that is currently running.  I also have a 30 gallon sump that I've had for some time that is not running.  The 135 is not drilled or anything.  I would also like to get an overflow.  My questions are how do overflows work and which one would be good for me(I've been looking at the C-siphon overflows CS-102 or the 150)?  Oh yeah I only have about 4" of room from the back of my tank to the wall but I could put it on the side of my tank. 
		
	
		
		
		
		
		
	
		
		
	
	
	Thanx Trevor  | 
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			 Anyone?? 
		
	
		
		
		
		
		
	
		
		
	
	
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			 A few links to help you out: 
		
	
		
		
		
		
		
	
		
		
	
	
	http://www.cyberreefguru.com/general.../overflow.html and I know there is some info here: http://www.melevsreef.com  | 
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