well usually when you buy a light you are able to pick the specturm that you want.  unless the place is a LFS and they dont really care about the stuff they sell and only are wanting your money....  your corals should brown out kjust from the lights, unless you are running a 6500K iwasaki bulb where its yellow jsut like the sun color.  how long have you own this light and what lighting did you have before. 
  
if you ask me a 14 k is a nice spectrum.   
phoenix, reef flux, are a great par in the 12-14 K range unless you are liking the radiums of 20 K 
		
	
		
		
		
		
			
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				180 starfire front, LPS, millipora  
Doesn't matter how much you have been reading until you take the plunge.  
You don't know as much as you think.
			 
		
		
		
		
	
		
		
	
	
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