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			 No I have it running as the main return. I have a Dolphin pump running the closed loop.  
		
	
		
		
		
		
			Stay clear..... this Bear bites off limbs!! 
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	Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 I'm running a Reeflo barracuda and the vibration runs throughout my house. I've got spa flex on both sides, isolation pad underneath it and isolation between the hangars and the pipe and I still get a hum through my floor. Been hoping for a quieter pump... 
		
	
		
		
		
		
		
	
		
		
	
	
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