So, out and around town for work. I have my 2 5 gallon RO bottles with me and my TDS meter to be safe. I wind up in a branch of our huge grocery chain that I have not been in before. I don't know if they have an RO machine or not, so I go in to scout it out. I take my meter just in case. As I walk through the produce section, I see the machine just past the salad bar. I pick up a 2oz empty dressing container from the salad bar to draw a test sample into. So glad I tested it. 2 spigots on the machine, one tested at 197ppm and the other at 200ppm. Guess I need to make another stop elsewhere; and I'm glad this isn't the store closest to home. The machine had a sticker on it saying it was serviced on 7/27/17, so at 2 weeks, it either gets a ton of use or got a shabby service job. Thanks go out to Hoosierbrew for recommending the cheap pocket TDS meter that just saved my next brew day from disaster!
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