Digital Humidity Gauge

Experienced luthiers try to maintain 40-50 percent relative humidity in their shops, the range at which wooden stringed instruments are most stable. Excess dryness causes wood to shrink and crack. Too much moisture can cause wood to swell, and newly-sprayed finishes to blush. It's easy to monitor your shop--or your guitar case--with this extremely affordable, accurate and space-saving digital hygrometer.

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