Best Acoustic Guitar Humidifiers

of Dec 2025

⋅ Long-lasting, low-maintenance acoustic guitar humidifier
⋅ Safely releases moisture evenly to eliminate warping, shrinking, and cracking
⋅ Innovative Humid-i-Bar sponge holds 10x its weight in water and features anti-drip, no-mess material
⋅ Convenient quick-flip top lets you check if Humid-i-Bar sponge is wet or dry
⋅ Hangs from the strings to safely release moisture in sound hole

⋅ FOR YOU: 1x Oasis OH-1 Guitar Humidifier
⋅ YOUR USE: Gives the humidification to your instrument it needs in dry seasons
⋅ YOUR PERFORMANCE: Designed for soundholes to maintain humidity inside the guitar body
⋅ BEST MATERIALS: Comes with a stabilizer bar for mounting the humidifier and a 10 cc. syringe for distilled water filling control
⋅ BEST QUALITY: Safe and effective desgin - Made in USA

⋅ FOR YOU: 1x Oasis OH-5 Plus+ Guitar Humidifier
⋅ YOUR USE: Gives the humidification to your instrument it needs in dry seasons
⋅ YOUR PERFORMANCE: Designed for soundholes to maintain humidity inside the guitar body
⋅ BEST MATERIALS: Comes with a stabilizer bar for mounting the humidifier and a 10 cc. syringe for distilled water filling control
⋅ BEST QUALITY: Safe and effective desgin - Made in USA

⋅ Product Type: Instrument Parts And Accessories
⋅ Package Quantity: 1
⋅ Country Of Origin: United States
⋅ Package Dimensions: 3.9 cms (L) x 4.6 cms (W) x 4.8 cms (H)

⋅ Martin humidifiers are made from the finest materials available.
⋅ The water suction stem within the Martin humidifier absorbs ten times its weight in water
⋅ Slowly emits moisture through the holes.

⋅ Preserves the wood on classical guitars by keeping conditions at the proper humidity
⋅ Prevents wood from drying out and cracking
⋅ Fits sound holes 3 3/8” to 3 3/4”
⋅ Easy to use