Originally Posted by Ilan34
Sorry, not to challenge you or anything, but do you have a source on the distilled water thing? I was under the impression that you can rinse the probe in between readings with distilled. And why would tap water be OK to store the probe?
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Not a good scientific source, just the instruction booklet that came with my last 2 meters. 1 was a Hannah Checker (pen style) that I got for about 32$. My new one is a Bluelab (brick and probe style) and was closer to 170$. For the price, I'm not willing to object to their maintenance recommendations. You may be fine, as a previous poster has said, with a quick dip. But if storage in RO or DI water is not good for it, it stands to reason that it's not great in the short term either. This is why I rinse in between applications with tap water as recommended by the manufacturer. Your probe has a life span and will go bad over time regardless of what you do but if i can squeeze any more time out of it by being cautious, I'm going to try.
But I'm probably just being overly paranoid. I can't imagine it makes a huge deal.