Sounds like everything is being done right! I agree, you can probably cut down on the feedings. Using R/O water (if you dont already), may help with the algae as well. 
 
I run bio-pellets with a deltec skimmer on my 52g tank, w/mangroves and macroalgae... I still get some algae, and though infrequent (every 2-8wks... yes thats a huge range), I still do waterchanges. 
 
Cheers, 
 
Chris 
		
	
		
		
		
		
			
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				No more tanks    - Laying off the ReefCrack for awhile! 
Cheers, 
Chris
			  
		
		
		
		
	
		
		
	
	
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