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					Originally Posted by  Matt
					 
				 
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Originally Posted by  digital-audiophile   
A cool design though that I think I just got my head around (and I think I am going to swith to) has just one baffle in the middle just above the water line with a hole drilled in the lower part of the baffle with a ball valve. 
 
There are some pictures of the ball valve sump design in Richards thread here http://canreef.com/vbulletin/showthread.php?t=37356
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- Greg
 
 
I'm in the process of redesigning my sump.
  
Thanks. I see how it would work. I'm not sure how effective it would be at eliminating micro-bubbles, though. If the water is aerated in the skimmer chamber, that would be transmitted directly into the return, right? No chance for surface dissapation.  
			
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 Ahem... I'm taking FULL credit for that sump design.