Home / Forums / Melodica construction, repair and maintenance / Is a Hohner Piano 26 dishwasher safe? Yes it is. / Reply To: Is a Hohner Piano 26 dishwasher safe? Yes it is. Reply To: Is a Hohner Piano 26 dishwasher safe? Yes it is. January 31, 2015 at 7:00 pm #3967 Melodica-MeParticipant Lowboy, do you use any specific dishwasher soap or does it matter, how does it affect the reed plates or are they not exposed? Melodica-Me