Personally I'm not a big fan of the cheaper temp guns. I don't think the PE-2 was a bad purchase, but you have to keep its limitations in mind when using it.
Try measuring the temperature of the top of the substrate over the hot spot with it. This is probably the best way to use a temp gun in a tub. They only measure surface temperatures, and have difficulty reading anything reflective.
Did that. It read 77 degrees. Not the 93 on my Thermometer.
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Originally Posted by The Serpent Merchant
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