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			 From my findings SPS will grow perfectly well using 6500K .  Using blue light would be for looks only.   I myself don't go for the SPS craze.  I have zoos, polyps , mushrooms and softies in my 10G nano, and use only 26W of PC lighting.  
		
	
		
		
		
		
			
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	Bob ----------------------------------------------------- To be loved you have to be nice to people every day - To be hated you don't have to do squat. ---------Homer Simpson--------  |