problem with same chamber as pump is could clog your intake so often see sump divided in 3 sections (skimmer/fuge/return). I've got a seperate dedicated fuge now but starting growing chaeto just between my sump baffles (they were though about 4" apart). 
 
for light I'm just using a 6500K spiral CF lit 24/7 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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