Quote:
Originally Posted by harmonics101
To change the guitars equilibrium would take much longer say 48 hours or however extreme the climate gets in your area.
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Harmonics101
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To reach equilibrium yes, but changes do in fact occur within 48 hours, and significantly within 72, if the difference in humidity levels are also significant. I have watched 2mm open center seams on violins close up to almost nothing within three days of being moved into a humidor for anticipated repairs. I would also add that wood appears to take up moisture faster than it will give it up, but I am not sure why.
And the other replies beat me to my edit, as I was going to ask where the guitar was played in the second lifeless condition.