Re: Accuracy of salt test calibration
24 hours is whats suggested and whats been proven to be the amount of time needed, you should try again with this amount of time it should read 75% .... also just because what the weather station suggests at their reading doesnt necessarily mean its that same as where you are.
If your still skeptical you can always just buy a boveda calibration pack for about $5 and use that. Best way and I believe its good for 3 months so you can calibrate a few hygrometers.
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