Thread: TDS Creep
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Old 05/13/2011, 12:29 PM   #2
Moved On
Join Date: Dec 2010
Posts: 2,564
Are you saying your RODI output is 5 and your waste water (RO) is 23? That's not too bad IMO and probably not your problem. But my RODI is 6 months old and still reading 1. Have you ever tested your tap water? What reading do you get there?

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