Boveda 58% Two-Way Humidity Control Packs For Storing 1 lb – Size 67 – 12 Pack – Moisture Absorbers for Storage Containers – Humidifier Packs – Individually Wrapped Hydration Packets

Increase humidity

Good product

We had a particularly cold winter and now a cold spring. I used the 50% humidity packs up to now, and they work well, but am trying the 58% humidity version as replacements since we have extended cold temps here in the North, near Canada. 58% was allowable for guitars, so we’ll see how they work out.

I bought a doz of the Boveda and a dozen of the cheap white ones. The Boveda transfer their moisture to the flower hydrating it in about 3-5 days. The white ones have been in for 3 weeks and the flower is still bone dry and the cheap humidity packs are still heavy and squeshy. After the Boveda packs dry out I put them in a ziplock overnight with damp paper towels and they are recharged with water and good to use over and over.

This review and rating is strictly for using these in a guitar case. I use Boveda packs in my humidor and they work great. A large pack will last me at least a month. This was the first year I decided to try them in my daughter’s guitar cases. I did so because I was tired of the constant refilling and risk of leaks with refillable guitar case humidifiers. The Boveda packs lasted about two weeks before they dried out. They do work with guitar cases but costs mount quickly due to the more frequent replacements required. I was going to purchase a second box of Boveda packs but opted instead to re-purchase the refillable guitar humidifiers. I need a more cost effective option to last all winter.