I just bought this and it really seems to stretch the strings out because it's so wide. Will this ruin the strings?

I never put it in between my strings. I just set it between the edge of the hole and either of the E strings. It's a perfect fit and much easier.

will this work if the guitar if on a stand and not in the case?

Yes, I have my guitars hanging on the wall, and I use it and those. and then it will also work when you put the guitar in the case.

With this in the sound hole, can I make my guitar stand for space saving instead of lying it on the floor, of course, in its hard case? Thanks!

I have one in my Taylor Guitar now and don't see a problem. Two things: 1 - it's really just a sponge contained in a special case that hangs between the strings. So the only caution is to be careful to NOT over fill the sponge so it would drip out. But that caution is the same whether the guitar is standing up or laying down. 2 - I suggest having the guitar in the case while using this so it is more effective. Also, most manufactures recommend this so the fret-board also gains some moisture.Hope this answer helps. Let us know if you have other questions.

Is this supposed to come with a sponge included? I just got mine and there was no sponge in it.

Yes there was a sponge included with mine. It is probably simple to cut one that would fit - .its kind of thin though. But why should you have to do that. They owe you a sponge. Contact them . Once you get the sponge, the humidifier works pretty well, but you have to check it - depending on how heated your apartment is - to make sure it hasn't dried out .

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Acoustic Guitar Soundhole Humidifier

Product ID: 1364603

Details

Brand
D'Addario
Capacity
1 centiliters
Color
Black
Operation Mode
Vaporizer
Special Feature
Hydrophilic

🎸Soundhole suspension design

💧Slow, even moisture release

🧽Easy sponge maintenance

132 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

💧 Keep your tone flawless—hydrate your guitar like a pro!

TRUSTED BY PROS - Top-rated with 4.5 stars and thousands of musicians relying on D'Addario quality.
SAFE SECURE FIT - Suspended by strings, never touches your guitar’s delicate body.
COMPACT LIGHTWEIGHT - Just 1" cube and 9g—perfectly sized for any acoustic guitar soundhole.
EFFORTLESS GUITAR CARE - Simply moisten the hydrophilic sponge and hang—no mess, no guesswork.
PRECISION HUMIDITY CONTROL - Releases moisture slowly and evenly to prevent warping and cracks.

The D'Addario Acoustic Guitar Soundhole Humidifier is a compact, easy-to-use device designed to maintain optimal humidity inside your acoustic guitar. Suspended safely by the strings, it uses a hydrophilic sponge to release moisture slowly and evenly, preventing damage like warping and cracks. Lightweight and mess-free, it’s a must-have for preserving your instrument’s tone and longevity, trusted by thousands of musicians worldwide.

Specifications

ASIN	B0002D0COE
Best Sellers Rank	#1,284 in Musical Instruments ( See Top 100 in Musical Instruments ) #21 in Guitar Cleaning & Care Products
Brand Name	D'Addario
Capacity	1 centiliters
Color	Black
Control Method	Touch
Customer Reviews	4.5 4.5 out of 5 stars (4,258)
Filter Type	Wick
Global Trade Identification Number	00019954928759
Included Components	Humidifier, Instruction Manual
Item Dimensions D x W x H	1"D x 1"W x 1"H
Item Highlight	D'Addario guitar humidifiers help maintain proper moisture, protect acoustic instruments and support stable tone.
Item Shape	Soundhole-shaped
Item Type Name	Acoustic Guitar
Item Weight	9.07 g
Manufacturer	D'Addario &Co. Inc
Material	Hydrophilic sponge
Model Name	GH
Model Number	GH
Number of Packs	1
Operation Mode	Vaporizer
Other Special Features of the Product	Hydrophilic Sponge
Part Number	GH
Power Source	Corded Electric
Room Type	Bedroom, Living Room, Office
Runtime	1 minute
UPC	019954928759
Unit Count	1 Count
Warranty Description	Replaced if defective

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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132 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Morocco.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews