How To Clean Piano Keys Safely. If you want to simply disinfect your piano keys, the best solution is using some filtered water with white vinegar to wipe them down. Using a cheesecloth or flannel, make sure you wipe vertically down and take time to dry the keys.
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The cloth should only be damp and cover an area the size of your fingertip. Use a separate cloth for cleaning the black keys and clean them last. Always proceed with caution and use common sense.
Clean hard to reach areas between keys with a soft paint brush or shaving brush.
Keeping the keys clean is important to ensuring that they move and work properly. To whiten your discolored piano keys, follow these steps: Disinfect using 3 parts filtered water and 1 part white vinegar. If you want to simply disinfect your piano keys, the best solution is using some filtered water with white vinegar to wipe them down.