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			 You will need an electronic ballast I think.  Here is a link to a much used DIY MH project on nano-reef.com as I think it will answer some questions. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
	http://www.nano-reef.com/forums/inde...ded&pid=880190  |