flushing won't hurt yyour membrain.. it will just clean it.. mind you a few hours is a little excessive
I would suspect it is time to calabrate your tds meter or maby some of your DI is starting to go.. I have read several articles saying that the DI quality starts to degrade befor the color has changed.
Steve
__________________
*everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.