If your kalimba keys show large stains due to oxidation, wipe them first with a cloth dampened with warm water, then use polishing wax to remove the stains.
Hello, from the picture, it appears that the keys have oxidized, which is a normal occurrence. Please follow these steps to clean it:
- Gently wipe the keys with a cloth dampened with warm water.
- Then, use a cloth with polishing wax and wipe the keys back and forth several times to remove the stains.