"Alan Greenspam" wrote in message
news:eYkoe.5263$MX2.2464@trndny03...
packed ice wouldn't crack it off - heat from the drying cycle wouldn't
melt it off. guess i can either try to scrape it off or torch it off.

still open to better advice

Leave it alone. Plastics are inert so let it be and it may wear away in
time.