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Product Details
✓2-IN-1 HUMIDIFIER & ANALOG HYGROMETER — PROTECT YOUR INSTRUMENT AT A GLANCE: The GHD-01 combines a refillable sponge humidifier with a mechanical analog hygrometer in one compact unit. The no-battery gauge provides a visual reference of humidity trends inside your guitar soundhole, helping you decide when to add water. Important: This is a simple analog indicator for trend monitoring, not a precision digital meter. If exact RH% readings are critical, we recommend pairing it with a calibrated digital hygrometer
✓CLIP-ON SOUNDHOLE MOUNT — NO STRING CONTACT, SECURE FIT: Unlike traditional humidifiers that hang between the strings, the GHD-01 clips directly onto the edge of your soundhole. This means zero contact with your strings, easy removal before playing. Soft silicone pads cushion the contact points to protect your instrument's finish. Note: Clamp fits standard soundhole edges (approx. 3-5mm thickness). If your guitar has an extra-thick soundhole reinforcement ring, test the fit before relying on it
✓REFILLABLE SPONGE — SIMPLE WATER-TOP-UP WITH INCLUDED BOTTLE: The built-in sponge reservoir slowly releases moisture through evaporation, gently humidifying the air inside your guitar body. Refilling is quick—use the included dropper bottle to inject water through the fill ports. In very dry climates (below 40% RH)
✓ULTRA-LIGHTWEIGHT & CASE-FRIENDLY — POCKET-SIZED: Weighing just 40 grams, the GHD-01 adds virtually no weight to your instrument. Install it in seconds without loosening or removing strings. For case storage: The gauge bezel may contact some guitar case lids when closed. If your case fits snugly over the soundhole area, remove the humidifier and place it inside the accessory compartment or suspend it near the headstock when not in use to continue humidifying the case environment
✓GUITTO QUALITY & AFTER-SALES CONFIDENCE: GUITTO is committed to simple, effective instrument care tools. Each GHD-01 is inspected before shipping. Should you experience issues with gauge accuracy, first allow 2-3 hours for the analog needle to stabilize after a humidity change—analog hygrometers respond more slowly than digital ones. If the gauge appears stuck or wildly inaccurate, our dedicated support team is ready to assist you