Re: Beginner Questions (Ask Them Here!)
That's a difficult one to give a general answer for. It doesn't hurt to say anything, but it's hard to say what kind of response you will get when you do. Some owners/clerks do care, some don't know or don't care, others are clinging to the "70/70" fallacy. And of course there are external factors that might be causing a temporary 74 reading and things are actually ok in there, and you glanced over at that moment.
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