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					Originally Posted by  The Codfather
					 
				 
				Did someone just tell you this? Or is it in literature? The use of the primer with the solvent weld is some cases a must. But depends on application and which brand name. The only one I have seen even recommends a primer, but not a must, but only in a drainage application, not a pressure application. Just my 2 cents. 
			
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 I read the tip in Brad's tank Journal and so I googled it and the general consensus was to not use primer for spaflex.  So that is what I did.