Description
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.
More Information
| RevType | 2 |
| Manufacturer | Boveda |
| Identity | 34035725109 |