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					Originally Posted by Seriak
					
				 
				What, you guys or going to make me dig for an ancient article.  Alright, I'll search. 
			
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 search away 

 Remember, if the at=rticle is too ancient, we'll discount it as too old.
Carbon can be a concern as some leach various compounds, and some carbon can be fine tuned to adsorb particular things, but they all work in any water.