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			 You can turn down (as many members on here do), just don't turn off. Its the current and wave action at the surface that aerate your water. I have a high bioload but lots of hiding places and areas of lower flow so I leave my wavemakers on all the time. The fish don't seem to mind and neither do the corals. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			 I use the jebao apex module to program my powerheads and have them set at minimum for the night, before that I had a led light strip in my cabinet on a timer and the pumps would be set to night mode. 
		
	
		
		
		
		
		
	
		
		
	
	
	I leave my return pump at the same lvl so the circulation stays the same, just the powerheads are reduced.  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 I use night mode on my Jebao RW-15, my electronics are in a closed cabinet so I have a small LED light on a timer, works well my return flow stays constant. 
		
	
		
		
		
		
			
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	220Gal Dining room build complete! no bucket or barrel water changes!!!  |