[Michael]

be aware, the metal covered hohners could lose paint with sharp cleaning. perhaps bebause of the vinegear?
martin had a metal piano 26 that lost the paint:
the cleaningthread

also the first sopranos and altos had a wooden body, but i think yours is made out of plastic so a bath is generally no problem, just use a lighter cleanser.

i had good experiances with denture cleanser tabs against odor in melodicas.