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					Originally Posted by  StirCrazy
					 
				 
				Do you have a link to that Aqua, I would like to give that a read. 
  
Steve 
			
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 Steve, I'm sure you've seen this but just in case you haven't here's the article: 
http://www.advancedaquarist.com/2010/1/aafeature
To date it (and the previous study/article), are the only "peer reviewed" articles I've seen published on TOC, and DOC removal for skimmers. This article indicates that the inclusion of a cone did not improve performance for the skimmers tested.