Quote:
Originally Posted by Delphinus
600-800 is the peak value of TDS surge. Nominal is 200-400. It seems to climb much higher than the input water while it sits there idle. That's why it's really important to flush the membrane otherwise you are replacing the membranes more often which is costly.
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Thats odd. I expected that sort of spike at turn on (and in fact, when I disable the DI stage to make RO drinking water, I usually do it before I make tank water to flush the system) but I don't get that. It's 0ppm all the time and when it hits 1 I change prefilter, and carbon (and as it happens, for my current usage, usually the DI is about done as well).
Not sure why I don't get that spike.