An acoustic guitar, even a $300 one is susceptible to the wood drying out. When it drys out, warping and cracking can result. This is a simple fix that keeps humidity inside the guitar in the case. No moving parts and replacement sponges are easy to find on eBay. Protect your musical investment regardless of cost. BUY ONE OF THESE.
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For a small price you can help protect your instrument from the harsh dry elements of the winter months or in dry air climates. I have to wet the sponges in my humidifiers every couple of days but it's a small price to pay for peace of mind. It won't keep the humidity levels up to 40-45 but it prevents the levels from dropping to damaging levels.
Verified purchase: Yes | Condition: New
I have these in all my acoustic guitars. They work well at keeping the wood from drying out as long as you make sure the sponges stay damp and keep the cases closed when the guitar isn't being played. You do need to check them every couple of days and keep the sponges moist. Sure, there are better systems out there, but they cost more. These D'Addario humidifiers work quite well considering their low cost.
Verified purchase: Yes | Condition: New
There's lots of these on the market. This is the cheapest, easiest one I've found. You just wet the sponge, wring it out, and stuff it back in. Dry off the outside and make sure it won't drip and place it in between 2 of the strings and close your case or bag. Check it every day in the desert, or every few days in Florida... I've tried the same thing with just a ziplock and a wet paper towel or something, and that does work, until it falls in the sound hole...
Verified purchase: Yes | Condition: New
This thing is a no-brainer to use. Does the job. My suggestion is to loosen the 3rd and 4th strings when inserting this humidifier in order to avoid causing excess stress on the strings and guitar. Just make sure the sponge is not dripping wet when you use it, and store it in a Ziploc bag with some desiccant pouches when not in use.
Verified purchase: Yes | Condition: New
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