Frequently Asked Questions Search Not sure of what size you need? Try our humidor calculator Do the math for me The Basics of Boveda Orders & Shipping Cigars & Tobacco Cannabis & Hemp CVault Guitars & Wood Instruments The Basics of Boveda How do I use Boveda? What’s in Boveda? How fast does Boveda work? Will Boveda over-humidify? How does Boveda work? Why do I feel small crystals or hard lumps inside my new Boveda? Sizes & RH Can I remove the Size 320 from its cardboard box? What RH Is right for me? What size Boveda is right for me? Can I mix Boveda relative humidity percentages? Lifespan & Replacing How can I maximize the life of Boveda? Can I recharge Boveda? How do I store Boveda that I’m not using? When do I replace my Boveda? How long does Boveda last? My Boveda feels rock hard. Does this mean it’s expired and needs to be replaced? Orders & Shipping How the Boveda Subscription Program Works. How long should it take to get my order? When do orders ship? How can I track my order? How is shipping charged? Do you ship internationally? What shipping services do we provide? When do subscription orders ship? Cigars & Tobacco Will Boveda over-humidify my cigars? Can Boveda directly touch my cigars and tobacco? Can I mix Boveda relative humidity percentages for tobacco? How many Boveda do I need for my cigar humidor? How long does Boveda last for cigars and tobacco? When do I replace the Boveda in my humidor? Can I use Boveda with other humidification devices in my cigar humidor? Sizes & RH What Boveda RH do I need for tobacco? Can I remove the Size 320 from its cardboard box for my humidor? Why did my RH level drop? Seasoning A Humidor What should the relative humidity (RH) be in my humidor while I season with Boveda? How do I use the Boveda Humidor Starter Kit to Set Up a Humidor? Why do I need to season a wood cigar humidor? How do I season a humidor with Boveda? Why do I use Boveda 84% RH to season a humidor, isn’t that too high for cigars? Why does seasoning a humidor with Boveda take 14 days? Where should I store cigars while seasoning my humidor with Boveda? Can I reuse Boveda for Seasoning packs? Boveda Humidor Bags How is a Boveda Humidor Bag different from a food bag for storing cigars? How many cigars fit in a Boveda Humidor Bag? How do you open a Boveda Humidor Bag? Where should I store a Boveda Humidor Bag? Is a Boveda Humidor Bag reusable? What RH do you use to refill a Boveda Humidor Bag? Hygrometers Why do I need to calibrate a hygrometer? How do I calibrate my hygrometer? Can you make your own salt test to calibrate a hygrometer? Can I calibrate my hygrometer using any RH Boveda? How often do I need to calibrate a hygrometer? Cannabis & Hemp Does Boveda steal terpenes? Will Boveda alter my cannabis in any way? Will Boveda over-humidify my cannabis? Which RH level is right for cannabis/hemp? Which size Boveda is right for your quantity/jar size? How long does Boveda last for cannabis and hemp? Can I use Boveda with other humidification devices in my cannabis/hemp container? Can I remove the Size 320 from its cardboard box for my cannabis container? How can I maximize the life of Boveda for Cannabis? Can I recharge Boveda for cannabis? When I open my cannabis container it doesn’t smell as strongly. What happened to the smell? Can I mix Boveda relative humidity percentages for cannabis? How fast does Boveda for Cannabis work? THE BASICS OF CVAULT What is a CVault? How do you use a CVault? What’s a CVault made of? PRODUCT INFORMATION Which size CVault is best for me? What is the difference between the latched CVaults and the “twist” CVaults? How long do the contents of a CVault stay fresh? Can the CVault be used for storing freshly harvested flower? Where are CVault manufactured? PRODUCT CARE My latches don’t feel as tight as when I first got the CVault. Is there a fix? How do you reseal the seal on the CVault? My CVault lid is stuck on. How can I get it unstuck? How do I clean my CVault? Getting Started How can I maximize the life of Boveda for my instrument? Why does it seem like my 49% RH Boveda doesn’t work? Why use Boveda to protect your instrument? How many packs do I need for my instrument? Why do I need to use a fabric holder with Boveda? How do I use Boveda for my wood instrument? How long will Boveda last for my instrument, when should I replace? Will Boveda over-humidify my instrument? What’s the difference between the High-Absorbency Boveda 49% RH and the Boveda 49% RH? Is there a complete listing of all Boveda products for musical instrument applications? Can I use Boveda in a gig bag? Boveda for Guitars How do I use Boveda for an acoustic guitar? How do I use Boveda for an electric guitar or bass? How do I season my guitar case? Why isn’t a Size 8 Boveda working with my guitar? Boveda for bowed string instruments, fretted, or non-fretted instruments How do I use Boveda for small bowed string instruments, small fretted, or non-fretted instruments? How do I use Boveda for a large bowed string instrument? How does Boveda protect bows for stringed instruments? Boveda for woodwind instruments How do I use Boveda for a small woodwind instrument? How do I use Boveda for a large woodwind instrument? What Boveda should I use for woodwind reeds? How do I use a Mini Fabric Holder in a bow case or woodwind case? How many Boveda do I use in a reed case? How do I use Boveda to moisten reeds in a reed case? How long does Boveda last in a reed case? Directional Humidity Control Kit Can I use the Directional Humidity Control Kit with any instrument? How do I use the Boveda Directional Fabric Holder with my instrument? For best results, where should I position the Directional Humidity Control Kit on my instrument? How is the Directional Humidity Control Kit different from the standard Boveda Starter Kits for instruments? How long does the Boveda last in the Directional Humidity Control Starter Kit?