# Oasis Humidifiers: for guitars, ukuleles, bass and mandolins\.

> Guirar Humidifiers for fine wooden instruments including guitars, ukuleles, 3/4 bass and mandolins\. Accessories for classical guitar players\.

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## Pages
- [FAQ](https://oasishumidifiers.com/faq/)
- [Instructions](https://oasishumidifiers.com/instructions/)
- [Home Oasis](https://oasishumidifiers.com/)
- [Humidifier Dealers](https://oasishumidifiers.com/humidifier-dealers/)
- [Guitar Humidifiers](https://oasishumidifiers.com/guitar-humidifiers/)

## Media
- [sponge 4](https://oasishumidifiers.com/wp-content/uploads/2018/01/sponge-4.jpg)
- [OH5\-2](https://oasishumidifiers.com/wp-content/uploads/2015/11/OH5-2.jpg)
- [Sostenuto](https://oasishumidifiers.com/wp-content/uploads/2016/05/Sostenuto.jpg)
- [OH21\-2](https://oasishumidifiers.com/wp-content/uploads/2015/11/OH21-2.jpg)
- [OH2\+\-22](https://oasishumidifiers.com/wp-content/uploads/2015/11/OH2-22.jpg)

## Products
- [Oasis®HH Combo OH\-30 humidifier/hygrometer](https://oasishumidifiers.com/product/oasis-hh-combo-oh-30-humidifier-hygrometer-copy/): Our HH Combo for steel string guitars:
• Offers single unit humidifier/hygrometer combination
• Includes adjustable humidification settings
• Allows for user re\-calibration of hygrometer
• Maintains humidity for 15 days or more before needing to be recharged
• Has a drip resistant polyvinyl acetate sponge which holds 10x its weight in water

U\.S\. Patent No\. 10,121,460

\[embed\]https://www\.youtube\.com/watch?v=8yJO99354wA\[/embed\]

The Oasis HH Combo is the only humidifier/hygrometer designed to fit in the soundhole of a steel string acoustic guitar\. When using a humidifier to boost the humidity inside a musical instrument it is important to monitor humidity levels\. Otherwise, maintaining correct humidity is just guesswork\. The HH Combo has two parts\. Above the strings, the upper portion of the unit contains a clearly visible and accurate hygrometer, which can be calibrated by the user if necessary\. The humidifier clips securely into the bottom of the hygrometer\. Suspended by the strings, the humidifier releases moisture evenly and slowly inside the guitar yet never touches the instrument body\. A specialized, drip resistant, sponge holds 10 times its dry weight in water, which allows for a longer periods between refills\. There are four openings on each side of the humidifier for the water vapor to escape\. This is sufficient for most dry areas\. In dryer climates like Arizona, there are 4 additional openings which can be punched out to provide more humidity\. The sponge is easily recharged by moistening the sponge with distilled water\. Using the HH Combo during dry months will protect your instrument safe from cracks and warping\.
\<h3\>$39\.99 with FREE SHIPPING\.\</h3\>
\<h3\>Replacement sponges are $7\.95 plus shipping\.\</h3\>
- [Sound Hole Cover Kit](https://oasishumidifiers.com/product/sound-hole-cover-kit/)
- [OH\-4 Humigel™ Replacement Kit](https://oasishumidifiers.com/product/humigel-crystals/): \<a class="underlined" href="https://www\.oasishumidifiers\.com/humidifier\-filling\-instructions/"\>\<strong\>READ THESE IMPORTANT INSTRUCTIONS BEFORE FILLING HUMIDIFIERS\</strong\>\</a\>
The OH\-4 Humigel\<sup\>™\</sup\> Replacement Kit is of critical importance for the successful use of our humidifiers\. The ONLY reason for the use of the crystals is to reduce the risk of damage to your instrument from potential leaks\. Humigel™ crystals are very hygroscopic and hold up to 400 times their weight in water\. We add \.6 cc’s of crystals prior to packaging\. This is such a small quantity that you can barely see them at the bottom of the humidifier\. The best way to tell if they are present is to shake the humidifier and hear them rattle around\. \.6 cc’s is the amount needed to turn the water into jelly\. Unlike water, the jelly is semi\-solid and will contain the water should the humidifier become damaged\. With the crystals present, a damaged humidifier will become damp or have water spots but will not leak into your instrument\.

More than \.6 cc’s of Humigel crystals will reduce the ability of the humidifier to function\. When there are too many crystals, the water stays suspended in the crystals, and will not evaporate through the fabric of the humidifier, and cannot humidify your instrument\. After initially filling your humidifier with distilled water wait 10 minutes\. When you look into the humidifier, it should look like clear small curd cottage cheese\. If it doesn’t look this way, and you have standing water, you need to get a OH\-4 Humigel™ Replacement Kit and replace the crystals\. Each kit holds 5\-6 refills\. As long as you reseal the small zip lock bag inside the kit and leave the desiccant bag in place, the kit will last a long time\. Without resealing and the desiccant bag, the crystals cake up with water absorbed from the air\.

Most instruments only need seasonal humidification\. Typically, the humidity drops in the fall and rises in the spring\. When the spring arrives, we recommend that you remove the humidifier, wash all of the crystals out, and leave the cap loosely on the humidifier\. If you do not remove the crystals and loosen the cap, the humidifier will shrink up, dry up and the crystals will stick together\. In the fall, it is easy to damage the lining of the humidifier when trying to restore it to shape\. The lining is only 1/1000th of an inch thick and can be damaged easily if it sticks to itself and the crystals, when the humidifier shrinks up and dries up if the lid is left on tight\.
\<h2\>Purchase \<strong\>OH\-4 Humigel\<sup\>™\</sup\> Replacement Kit today\.
\</strong\> \[add\_to\_cart id="4568" style ="border:none; padding: 0px;"\]\</h2\>
- [Oasis®OH\-4\+ Humigel™ Bulk Refill Kit](https://oasishumidifiers.com/product/oasisoh-4-humigel-bulk-refill-kit/): We have heard from a good number of our humidifier users about not wanting the syringe, spoon or instructions\. They own a lot of our humidifiers and just want the bulk crystals\. OK, we hear you\!

The OH\-4\+ has \<em\>\<strong\>no spoon, instructions or syringe, just sufficient\</strong\> \<strong\>crystals for 20 refills\.\</strong\>\</em\>
\<h3\>\</h3\>
- [Oasis® OH\-20 Guitar Hygrometer Holder](https://oasishumidifiers.com/product/oasis-guitar-hygrometer-holder-oh-20/): \[embed\]http://www\.youtube\.com/embed/8psKahMMGHo\[/embed\]

We created the Oasis\<sup\>®\</sup\> OH\-20 Hygrometer Holder to enable you to measure the humidity at the body of your guitar without risk of scratching the soundboard\. The soundboard and body of the guitar are where cracking from dryness is most likely to occur\. The Oasis\<sup\>®\</sup\> Guitar Hygrometer Holder allows you to place the hygrometer by the sound hole of your guitar near the humidifier when the guitar is in the case\.

How does it work? Made from a soft loop Velcro type of material, it wraps around the first string and provides a flat surface where the hygrometer can be attached\. An adhesive backed piece of hooked Velcro type material is attached to the back of the hygrometer\.
\<h2\>Oasis\<sup\>®\</sup\> OH\-20 Guitar Hygrometer Holder $10\.95\.\</h2\>

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