The huge success of the original Blue Oasis® "sound-hole" humidifier has brought many inquiries about ways to provide humidification for other instruments including violins, violas, cellos, mandolins, ukuleles, jazz guitars and guitars with flat top cases.
After careful consideration, Oasis® decided that the best approach to solving this challenge was to develop a humidifier that attaches to the inside of the instrument case. Finding a secure way to attach the humidifier to the inside of the case, and still have it easily removed and re-attached, was no small challenge.
Starting with their proven technology, the Blue Oasis® humidifier, Oasis® inserted two neodymium magnets in the seam of the humidifier*. The magnets then attach to the instrument case using either a steel belt style clip or a stainless steel strip with adhesive backing. The belt style clip fits over the side of the case and provides a flat vertical surface for the magnets to adhere. The adhesive backed stainless steel strip allows for either vertical or horizontal attachment anywhere there is a flat surface inside the case**. An advantage of this type of humidifier is the flexibility to position the humidifier in a wide variety of locations within your instrument case.
That’s not all folks! Oasis® also includes a 10cc. syringe. The syringe will increase the user’s control during filling or refilling the humidifier. Since the humidifier holds about 32cc’s of water, it will take 3+ syringes of water to fill the first time. After that, refills should only take 1+ syringe of water. As always, Oasis® recommends the use of distilled water which will extend the useful life of your humidifier.
*Even at the comparatively low strength Oasis® uses, these neodymium magnets are extremely powerful. Oasis® has noticed during the manufacturing process that an individual magnet, located 8-10" from a stack of magnets, will be so powerfully attracted to the other magnets that it will fly across the table to make contact. At times, it will do so with such force that the magnet will break.
Oasis® has found that the best way to control the force of the magnets is to make contact with the metal clip or plate by sliding the humidifier on or off in the same plane as the direction of the clip or plate. In more visual terms, this is like the difference between landing an airplane vs. a helicopter. The humidifier should be attached or removed by sliding it into position from one end or the other (the same way an airplane would land or take off) and not with a direct drop in (the way a helicopter takes off or lands). This approach has two advantages. First, it dramatically reduces any risk of breaking a magnet. Secondly, it reduces stress on the seam of the humidifier (where the magnets are located) extending the useful life of the humidifier.
** In our testing, we have found that the stainless steel strip can be removed from the case without the adhesive backing leaving a sticky residue or damaging the case. We cannot guarantee that this will be the situation with every case, but it worked on several of the cases we tested.