Unlike instruments like guitars, where a lack of cleaning will have few effects on playability or functionality, at least in the short term, harmonicas by their very nature require regular cleaning.
How do you maintain a harmonica?
How to Care for Your Harmonica
- Warm your harp before you play. You can warm harps in your hands, in a pocket close to your body, under your arm, or even in a warming pad. ...
- Keep your harp clean. ...
- Remove excess moisture during and after playing. ...
- Store your harp properly.
Does water ruin a harmonica?
There is no reason ever to soak harmonicas, especially Chromonicas which are chromatic harmonicas and have plastic wind saver valves. CHROMATIC HARMONICAS SHOULD NEVER BE SOAKED, EVER, IT WILL RUIN THEM. Standard diatonic harmonicas can be takened apart and cleaned carefully with warm water and an old toothbrush.