Search Guitars/Wood Instruments FAQs FAQs / Guitars/Wood Instruments Why use Boveda to protect your instrument? But don’t take our word for it. Listen to music experts talk about how wood type and humidity can change how your instrument sounds. Related Topics What's inside Boveda? How do I use Boveda for my wood instrument? Why use Boveda to protect your instrument? Can I calibrate my hygrometer using any RH Boveda? Why does it seem like my 49% RH Boveda doesn’t work?