D'Addario Humidipak Maintain Automatic Humidity Control System for Guitar

The D'Addario Humidipak Maintain is an automatic, two-way humidity control system designed to protect acoustic and acoustic-electric guitars. Drop the packets in your case, close the lid, and they work to hold the air around your guitar at a steady 45–50% relative humidity. There is no water to add, no sponge to wring out, and no seasonal adjusting. It is a simple way to guard against the cracking, warping, and fret buzz that wood instruments suffer when humidity swings.

Why Guitar Humidity Matters

An acoustic guitar is built from thin, carefully braced tonewoods, and wood constantly trades moisture with the air around it. When the air gets too dry, the top and sides can shrink, fret ends can poke out of the fingerboard edge, the action can sag, and in the worst cases the top or back can crack. When the air gets too damp, the wood swells, the tone can turn dull, and the action can rise. Georgia players deal with both extremes: heavy summer humidity, then dry indoor air once the heat comes on in winter.

How the Humidipak Maintain Works

Each packet uses Boveda two-way humidity control technology. Instead of only adding moisture like a traditional sponge-style humidifier, the packets add or release water vapor as needed to maintain their target level inside the closed case. Because the system regulates itself, there is nothing to adjust as the seasons, your location, or the temperature change.

D'Addario states that each packet lasts roughly two to six months. As a packet gives up its moisture it becomes firm to the touch, which is your signal to swap in a fresh one. For best results, keep the guitar in its case with the lid closed, since the packets are designed to condition the small sealed space around the instrument.

What's in the Box

• 3 Humidipak two-way humidity control packets
• A soft mesh pouch that will not harm your instrument's finish
• Made in the USA at D'Addario's production facility in New York

Features at a Glance

• Two-way humidity control that adds or releases moisture as needed
• Maintains 45–50% relative humidity inside the case
• No water, no drips, and no manual adjusting
• Each packet lasts approximately 2–6 months
• Designed for acoustic and acoustic-electric guitars
• Replace packets with D'Addario Humidipak replacement packs

Who the Humidipak Maintain Is For

This system is built for guitarists who want protection without a routine. Gigging players, students whose guitars live in a case most of the week, and collectors with several instruments will all appreciate a set-it-and-forget-it approach. It is also a smart add-on for a first acoustic guitar.

Using It Correctly

The Maintain is a maintenance system, meaning it is meant to hold a guitar at a healthy humidity level, not to rescue an instrument that has already dried out badly. If your guitar has spent time in a very dry environment, consider rehydrating it gradually first, for example with D'Addario's Humidipak Restore, and then switch to the Maintain to keep it stable. Keep the packets in an enclosed space such as a hard-shell case, since they condition a small sealed volume rather than an open room. A hygrometer in the case confirms the reading, and if your guitar shows signs of dryness such as sharp fret ends, bring it by the shop.

Frequently Asked Questions

Does it add water to my guitar case? No. The packets are sealed two-way humidity packets, so there is no water to fill and no drips.

What humidity level does it maintain? D'Addario specifies 45–50% relative humidity inside the case.

How long do the packets last? Roughly two to six months per packet. When a packet feels firm, replace it.

Will it work with my electric guitar? D'Addario designs the Maintain for acoustic and acoustic-electric guitars. If you have a solid-body electric, ask our team whether it makes sense for your situation.

Does Town Center Music ship this product? Yes. Orders over $100 ship free, and local players are always welcome to stop by the shop.

Buy the Humidipak Maintain at Town Center Music

Town Center Music has served musicians across Suwanee, Duluth, Cumming, Johns Creek, Buford, and Sugar Hill since 2012. We have earned many five-star Google reviews, and we take pride in serving customers of all ages and stages of musical ability, from beginners to professionals. Stop by our shop at 4072 Suwanee Dam Rd NW in Suwanee, Georgia, or reach out to our team with any questions about protecting your guitar.