D'Addario Planet Waves GH Acoustic Guitar Humidifier

Humidifier for Acoustic Instruments with leak-resistant open-cell foam that releases moisture slowly and evenly
D\'Addario Planet Waves GH Acoustic Guitar Humidifier image 1
D\'Addario Planet Waves GH Acoustic Guitar Humidifier image 1
Sweetwater Savings: $2.16 MSRP: $11.15

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D'Addario Planet Waves GH Acoustic Guitar Humidifier
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Take Care of Your Acoustic Guitar

An acoustic guitar sounds its best when the body has just the right amount of humidity. Proper humidity levels can not only make your guitar sound it' best, but also prolong the life of your instrument. Suspended by the strings (without touching the instrument), the humidifier contains leak-resistant open-cell foam that releases moisture slowly and evenly inside the guitar. Maintain the sound quality of your precious acoustic instrument with the Planet Waves Guitar Humidifier.

Planet Waves GH Acoustic Guitar Humidifier Features:
  • Humidifier for use in your acoustic guitar case
  • String-suspended design never contacts the body of your guitar
  • leak-resistant open-cell foam won't drip on your instrument
  • Easily refillable
Protect your acoustic guitar with the GH guitar humidifier.

Tech Specs

Manufacturer Part Number GH

Customer Reviews

Based on 11 reviews
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Better than the old ones!

These humidifiers with the removable sponge are so much better than the old style ones where you had to inject the water into the material with a syringe. Very easy to use and they do a great job at keeping all my guitars humidified. Highly recommended!

It Works!

I was skeptical of how well this very moderately priced humidifier could work. The alternative that was suggested just rattled around in the guitar, however, so this seemed like a better choice, if it worked. Lo and behold, it does. It is deceptively simple. You squeeze the sides, and out pops a sponge. You could do your dishes with it, and I assume that if you want to replace it, a chunk of kitchen sponge will do the trick. You soak the sponge to your liking, pop it back in the unit, and snap the top back on. Now for the feature that I think sets this apart from those plastic tubs. The unit slides between the strings in your soundhole. The little tab that you can see in the center bottom of the picture (which is the top when you place it in your guitar) is actually for the string to snap over, so that the humidifier cannot slide or come loose. The great thing about this is that it never touches your guitar (other than the strings) or the inside of the body, and cannot rattle around and make noise or damage the inside of the sound chamber. You can flip guitar all around, and the unit stays put. Also, as long as you have not totally sodden the sponge without squeezing it out, no water can come out to mess things up. So it does what it is supposed to, without creating any cause for worry.
Music background: Hobbyist

Just got one today

So simple to use. I didn't take the top of and pull the sponge. I just submerged it in water and shook the excess out of it. One reader said the clips break when you take the top off and on so I decided not to do it that way. Works just fine and does not drip any water at all
Music background: Just a beginner

Cold dry weather protection for my acoustic guitar.

Seems to do the job of keeping my guitar at a good level of humidity while in the case. My meter shows consistent 45-50 percent. Don't really like keeping it between the strings as suggested, so it fits well next to either E string without falling through. Very good product.
Music background: Hobbyist and beginner

Does what it says on the tin

Very simple. Does what it says. Small sponge inside, wet sponge, wring out, put into holder and put in the guitar strings. Pretty simple.
Music background: Hobby Musician
See also: D'Addario Planet Waves, D'Addario Planet Waves Guitar Humidifiers