"Dirty Harry" > wrote in message
news:9owyc.732076$oR5.456766@pd7tw3no...
> Most of what I've seen seems to suggest around 2 hours...can I leave
it
> on for 24 hrs? Pork ribs...
> Thanks DH

You can leave the rub on longer than 2 hours but you will not get any
noticeable change in taste.