Musicnomad MN301 HUMID-I-BAR REPLACEMENT SPONGE FOR MN300
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Information
Information
Manufacturer Information
Musicnomad
https://www.musicnomadcare.com
info@musicnomad.com
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Safety manager:
HIGH TECH DISTRIBUTION
Email: pro@htd.fr
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An Essential Step to Protect Your Guitar from Climate Variations
When the air becomes too dry, an acoustic guitar can become unbalanced: top wood warping, frets protruding, less comfortable playing feel. The Musicnomad MN301 replacement sponge restores full efficiency to your HUMID-i-bar MN300 humidifier by ensuring consistent humidity maintenance at the soundhole, where the instrument needs it most. Its high absorption capacity allows for longer intervals between refills and maintains more stable humidification, ideal during heating periods, seasonal changes, or travel.
Clean and Controlled Use, Designed for Musicians
Daily maintenance is immediate: open the hatch, gently press the sponge. If it is dry, simply rehydrate it with distilled water to preserve the materials and limit deposits. The sponge is made from a material similar to that used in towels by professional divers to dry themselves between dives, known for its absorption capacity and gradual water release.
Technical specifications
| Category | Humidifier |
| Use | guitar |
| Reference | Musicnomad MN301 |
| Type | replacement sponge for guitar humidifier |
| Compatibility | Musicnomad HUMID-i-bar MN300 |
| Installation | simple placement in the soundhole via the MN300 holder |
| Absorption Capacity | holds more than 10 times its weight in water |
| Humidity Release | prolonged diffusion for long-lasting humidification |
| Humidity Check | finger press after opening the hatch to verify if the sponge is dry |
| Recommended Rehydration | distilled water |
| Material | similar to towels used by professional divers to dry between dives |
Questions frequently asked
Is the MN301 sponge compatible with the HUMID-i-bar MN300?
This replacement sponge is exclusively designed for the Musicnomad HUMID-i-bar MN300 humidifier.
How to check if the guitar humidifier sponge needs to be rehydrated?
After opening the MN300 holder's hatch, gently pressing the sponge with a finger allows checking if it is dry. A dry sponge requires rehydration.
What water should be used to rehydrate the Musicnomad MN301 sponge?
Using demineralized water is recommended to rehydrate the sponge. This precaution minimizes deposits and preserves the materials.
How much water does the replacement HUMID-i-bar sponge hold?
Its material, similar to towels used by professional divers, holds more than 10 times its weight in water. The moisture is then gradually released inside the guitar through the soundhole.
How to install an MN301 sponge in an acoustic guitar?
Installation is done simply inside the soundhole using the HUMID-i-bar MN300 holder. The system positions the humidification inside the instrument.



