Put your hygrometer inside the bag, close the zipper, and let it rest for 24 hours. If your hygrometer is calibrated correctly, it will read 75%. If it reads differently, adjust your hygrometer to 75% and it will be reading spot-on humidity instantly.
Put your hygrometer inside the bag, close the zipper, and let it rest for 24 hours. If your hygrometer is calibrated correctly, it will read 75%. If it reads differently, adjust your hygrometer to 75% and it will be reading spot-on humidity instantly.
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