When fermenting I tape the probe to the carboy with a piece of leftover reflectix.
When in serving temp mode I've started doing the same to a keg.
I have a small computer fan inside to help circulate. The temp probe isn't supposed to be submerged so putting it in an old white labs vile filled with water isn't recommended.
I guess I'm wondering if what I'm doing is just fine or if there is a better way without buying thermowells (which obviously won't be possible on a keg)
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