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Unread 05/28/2011, 10:09 PM   #8
sjm817
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Join Date: Sep 2004
Location: Northern VA
Posts: 18,777
The drinking water should not and does not go through DI in the diagram above. That 6th stage is a carbon drinking water post filter.

The fast high pressure flow from the storage tank is not good for DI life.

Dual DI with color change is nice. Once DI #2 starts to change color, move it to DI #1 and put in a new DI #2. This way you are always getting the max life out of your DI and never have an expired DI.


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