J &L sells nice low profile reflectors as does most hydroponic shops.  In making your choice go for the best you can afford when it comes to lighting.  I have used tar ballasts from homedepot and DIY styles before with great success. 
		
	
		
		
		
		
			
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				97 Gallon Cube
			 
		
		
		
		
	
		
		
	
	
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