Boveda Calibration Kit Humidification
Your one stop shop for an accurate hygrometer reading every time and it’s easy as 1,2,3. 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.
- RH of West Hartford, CT$13.00/ea1 Unit,