Search Guitars/Wood Instruments FAQs FAQs / Guitars/Wood Instruments How do I use Boveda for my wood instrument? Related Topics How does humidity affect a bow? Why do I need to use a fabric holder with Boveda? How long does the Boveda last in the Directional Humidity Control Starter Kit? How is the Directional Humidity Control Kit different from the standard Boveda Starter Kits for instruments? Can I use the Directional Humidity Control Kit with any instrument?