Home / Forums / Melodica construction, repair and maintenance / My Hohner HM 36 Issues.. / Reply To: My Hohner HM 36 Issues.. Reply To: My Hohner HM 36 Issues.. March 14, 2014 at 6:06 pm #1982 LowboyParticipant I should have said, “If you blow into hard WITHOUT HOLDING DOWN ANY KEYS there should be no leakage.” Lowboy