Home / Forums / Melodica construction, repair and maintenance / Give your melodica a bath! / Reply To: Give your melodica a bath! Reply To: Give your melodica a bath! April 25, 2019 at 3:11 pm #10760 Alan BrintonParticipant A liberal sprinkling of the wet melodica internals with baking soda left to sit for a couple of hours and then very thoroughly rinsed will pretty well eradicate any lingering odors.