Not sure on the size of your box, but I have a Stack-On dehumidifier in my gun safe. Plugs into the wall to recharge. I wouldn't use it if the cards are too close (the thing gets pretty hot), but if you have space that could separate it from the cards, I'd recommend it.
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Just a dad trying to figure out how to build a collection his kids will take interest in.
Interests: HoF, Grover Hartley, Cleveland, Jim Thome, Jose Ramirez, Akron Zips, Historically Significant Figures
Cooperstown Project Progress: 194/351 - 55.27%
Follow along and see what I need here.
YouTube Channel: Collecting America's Pastime
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