Quote:
Originally Posted by gregzz4
There's the difference
My tapwater TDS is anywhere from 12 down to as low as 7, so my RO does well on it's own
I always run my product water down the drain until the TDS creep goes away, so I am lucky that I don't need the DI
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Yes, and because I run my ATO directly from my RODI to my sump, I always want 0 or at most 1 TDS all the time.