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Unread 10/13/2019, 10:03 PM   #4
bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
The deionization has to go after the RO to be of any practical use. I agree that the sediment filter should be first, assuming it is coarser than the carbon filter, which is what I would expect. Does the carbon filter have a micron rating?


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Jonathan Bertoni
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