So, i'm an accessory lover and i ordered one of these last night and was wondering if anyone else has tried using these. I guess it's supposed to tell you when i cigar is at optimum humidity to smoke. So, I'm just curious if anyone else has one or uses one and what do you think? God bless you all!
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Interesting.

I just go by look and feel and a hygrometer for the cabinet / box. The one that I found online was only good between 60 and 70 RH, which isn't great.

The patent was for a much broader use, including cereals and other uses where RH is critical (https://patents.google.com/patent/US4287470). Since it was awarded in 1981, the patent has expired (20 years in the US) and anyone can make the device now. Well, not me because I can't even open a box of cigars without help.
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