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			 My 2 cents: 
		
	
		
		
		
		
		
	
		
		
	
	
	Metal halides with LED supplementation if you want faster growth and controllable colour. T5's if you want a little less heat and space savings. Less shadow than LED. LED's if you want ultimate colour control and ramping, but don't mind gambling on growth rates and coral colour.  | 
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