Originally Posted by potroast

Well, if you've let it get too dry, then you should rehydrate it, freshen it up some. Like a cigar humidor, you put it in with some moist air, and that will re-wet it. The best way is just put some fresh pot leaves in with it. Or some bread, or a citrus peel. The wetter the item, the shorter time you leave it in with the pot.

HTH