D'Addario Guitar Humidifier Pro - Acoustic Guitar Soundhole Humidifier with Sponge - Non Drip - Suspends from Strings - Holds 12x Weight in Water

These work well. Easy to use. When my guitar cases get near 40% relative humidity, I just wet the sponge with some distilled water, lightly wring it out, install it in the container, and put the container between the strings in my guitar's sound hole. It does what it's supposed to do. It's a slow process, but that's what I want with my guitars. These humidifiers help to maintain a healthy environment in my guitar cases.

As an acoustic guitar enthusiast who understands the importance of maintaining optimal humidity levels for instrument longevity and tone preservation, I recently had the pleasure of using the D'Addario Acoustic Guitar Humidifier Pro. This innovative accessory offers a level of control over humidity that sets it apart from traditional guitar humidifiers, making it a standout choice for musicians who are serious about safeguarding their instruments. Customizable Humidity Control: The D'Addario Acoustic Guitar Humidifier Pro is a game-changer for guitarists looking to tailor their instrument's environment to specific humidity needs. The ability to adjust humidity levels by soaking the included sponge to varying degrees sets this humidifier apart. Whether you're dealing with dry winter air or high humidity conditions, the Humidifier Pro allows you to fine-tune the moisture release to ensure your guitar's wood remains at its ideal moisture level. Innovative Sponge System: The heart of the Humidifier Pro is its unique sponge system. By soaking the sponge to different levels, you have the power to control the humidity output. This versatility ensures that your guitar never faces extremes in moisture, helping to prevent cracking, warping, and other moisture-related issues that can compromise your instrument's structural integrity and tone. Thoughtful Design and Easy Maintenance: The Humidifier Pro features a sleek design that fits snugly between your guitar strings, ensuring even distribution of moisture throughout the instrument's body. Its compact size doesn't interfere with your playing or the guitar's aesthetics. Additionally, the humidifier's clear window allows you to easily monitor the sponge's moisture level, ensuring that your guitar remains in the optimal humidity range. Protection for Your Investment: Investing in a quality acoustic guitar demands a commitment to proper care and maintenance. The D'Addario Acoustic Guitar Humidifier Pro offers peace of mind, knowing that your instrument is shielded from the potentially harmful effects of humidity fluctuations. By keeping your guitar's wood at the appropriate moisture level, you're not only preserving its visual appeal but also safeguarding its resonance, projection, and overall playability. Conclusion: The D'Addario Acoustic Guitar Humidifier Pro is a standout choice for any acoustic guitarist who values precise control over their instrument's humidity. With its innovative sponge system, customizable humidity control, and user-friendly design, this humidifier offers a level of protection and preservation that every guitarist should consider. Whether you're a professional musician, a dedicated hobbyist, or a collector, the Humidifier Pro is an investment that ensures your acoustic guitar will continue to produce beautiful music for years to come. Your guitar deserves the care and attention this exceptional humidifier provides, enhancing not only its appearance but also its sonic potential.

This is a simple humidifier for guitars with a round sound hole. It would not work for an f-hole archtop or other types of instruments such as mandolin or ukulele. Inside the sturdy plastic case is what appears to be an ordinary kitchen sponge. If you use distilled water (as recommended) it should last quite a while. The top comes off with a gentle press on the sides. The dry sponge can be a little difficult to remove with fingers but tweezers or needle nose pliers work perfectly. Don't push it all the way in after moistening and you won't have a problem. I drip a little distilled water on the sponge, squeeze out any excess, and the assembled case pops in easily between the D and G strings, suspended in the middle of the sound hole. They can't be seen in the photo but there are small ridges on each side that hold the top in place against the strings. I've never had one of these move from where I left it. If the sponge isn't dripping wet you should never have a problem with drops of water in the guitar or case. When the humidity is very low (30% or less) the sponge dries out in 2 to 3 days even if the case isn't opened. As with most humidifiers of this type you will have to check every few days. If you have ever had a crack appear in the top of favorite guitar (or don't want to see one) use a guitar humidifier! Especially during the winter - heating a house tends to drop the indoor humidity below safe levels (between 45% and 60% is ideal for most guitars). Air conditioning can do the same. For especially valuable guitars it would be worth buying a hygrometer to keep in the case but for most guitars having one in the room where you keep you guitar(s) is okay. For many reasons it's always best to keep your guitar in a case or gig bag when not in use. A humidifier is inexpensive extra precaution at those times of year when temperature or humidity changes quickly.

Holds a lot of water, works well to keep the humidity level in my guitar case at good levels. Everything works exactly as I would expect.

I have several of these. Good product. Follow instructions

Trying to add humidity to acoustic guitars in New England in the winter time is a challenge. The concept of this is solid, but the two clips you need to pinch to open and close the housing are poorly engineered. They are tough to pinch, and seem easy to break. I also found the width of the plastic to be a touch wide at base, and thus bends the D and G strings a lot to slide it in. Should consider thinning a bit. Otherwise, cool concept. Seems cheaper than buying the chemical packet humidifiers in the long run.

Keeps your acoustic from drying out

This works but be sure to remove excess water from the sponge

It works! My guitar healed after using this for a month continuously! You just gotta fill it up everyday and eventually you'll find yourself filling it less frequently and that's when you know the guitar is getting better.

Es funcional. Para completar el paquete del cuidado de la guitarra.

Semplice economico e di facile utilizzo, un ausilio in più per trattare bene la propria chitarra, specie se la si tiene in ambiente parecchio asciutto e secco. Per fare le cose fatte bene andrebbe misurata l'umidità nell'aria, nell'ambiente dove si tiene e si suona la chitarra. Qualora l'ambiente fosse già umido di suo, va tenuto in conto che un'eccessiva umidità (così come un eccessiva secchezza) nuoce al legno.

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Works fine and very inportant product in wintertime for acoustic guitars