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					Originally Posted by  bignose
					 
				 
				Compare the cost of the RO(DI?) to store bought. It's probably cheaper to run RO and you can keep the dirty water for whatever. 
			
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 It is, for sure! Don't buy the expensive hobby-brand either (sans DI), as you can get an RO unit for drinking water for relatively cheap, then just add on the DI cartridge.