Any cooling device can do this, if set up correctly (but it might not be easy).
Cooling the air down means the air cannot hold as much moisture, and thus it condenses. This is why air conditioners have a water stream running out of them when they are running. Then, if you reheat the air to the temp you want (like 68 degrees F), it will be lower relative humidity.
This is of course a very simplistic description of what can be done, but it is one way of doing it.
Another way (though not suggested) is to use a chemical absorbent (like Damp-Rid). But this is naptha or some other noxious chemical, and would probably make your sticks taste like a moth ball.
Hope that helps.
I did salt test 2 of my 4 digi hygro in my cabinet with readings off 1%.Salt test.
Whats the humidity outside the box? At anything constant above 65% all of your beads should be "clear", Are they? If your beads are saturated and you added a bunch of wet cigars, then it would be normal for the humidity to climb. Search for info on drying out beads, get more surface area of your beads exposed, move to Colorado where you can struggle to stay above 60%![]()
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