Keep Your Guitar in Perfect Condition

Your guitar was protected with D’Addario Humidipak Maintain from the moment it was built, helping preserve its tone, feel, and setup during transit. Now that it’s in your hands, maintaining proper humidity is essential to keep it playing its best.

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Why Humidity Matters

Did you know that lack of humidity is one of the leading causes of instrument repairs? It's essential to humidify all wooden instruments​, since wood naturally expands and contracts when humidity levels change. Without proper control, your guitar can develop sharp fret ends, neck bow, a sunken top or lifted bridge, lower string height, buzzing notes, cracking of the neck and body, a change in tone of the instrument​, and other major issues that compromise playability. To prevent these issues, it’s essential to keep your instrument in the ideal humidity range of 45–50% relative humidity (RH). 

How Humidpak Works

D'Addario Humidipak Maintain is a maintenance-free, two-way humidity control system for your guitar. It automatically maintains the optimal 45%-50% relative humidity level within your instrument case, eliminating the guesswork and hassle related to refilling a traditional humidifier​.  

Using it couldn’t be easier. Simply place the humidification packets with the included pouches into your instrument case, close the lid, and rest assured your instrument is protected.

Each starter kit contains a soundhole pouch (two packets), a headstock pouch (one packet), and the three pre-loaded Humidipak Maintain packets​. The packets are available in replacement packs in quantities of three, twelve, and twenty-four​.

NOTE: The Humidipak included with your instrument (Humidipak Maintain) helped protect your guitar during shipping, but it’s likely dried out by now. To continue properly regulating humidity, we recommend replacing it with a Humidipak Starter Kit.

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Which Humidipak Is Right for You?

We offer three Humidipak variants:

Maintain

For instruments that are already properly humidified, Humidipak Maintain helps maintain the optimal 45–50% relative humidity (RH) by automatically adding or absorbing moisture as needed. Packs should be replaced once they begin to dry out, or every 3 months at maximum, and are best used in a sealed case.

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Restore

Designed for instruments that have not been previously humidified or need to be restored to proper humidity, Humidipak Restore helps safely rehydrate dry instruments and cases while eliminating the guesswork of humidity control. Once the instrument and case reach the ideal 45–50% (RH), transition to Humidipak Maintain packets for ongoing care.

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Absorb

Designed for high-humidity environments, Humidipak Absorb safely reduces excess moisture to restore and maintain the ideal 45–50% relative humidity (RH), and may require more than one set when starting from very high humidity levels. Once the instrument and case reach 45–50% RH, transition to Humidipak Maintain packets for ongoing care.

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