Author: Tobin
Date: 2019-04-09 23:27
I use 49% boveda packs, the small 8gram ones, in my horns — and in situations like you’re asking about. The hygrometers in those cases show ~50% humidity, so I’m inclined to believe they work.
After a long winter they can be dried out and need replacing.
James
Gnothi Seauton
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