Home / Forums / Melodica construction, repair and maintenance / Reeds tarnishing after tuning / Reply To: Reeds tarnishing after tuning Reply To: Reeds tarnishing after tuning March 28, 2015 at 7:26 pm #4533 S. Christian CollinsParticipant That’s what I was wondering. I’m really curious if anybody else who has tuned their Pianicas has run into this problem.