What if you added sand to the water pan. Wet sand, heated up would last longer wouldn't it? I don't know if you'd need water or not.
Just an idea, think I've heard others do it too. I never did that w/my bullets, but that was back when I really didn't know what the heck I was doing anyway.............................not that much has changed since.
UIS is right, keep booze for yourself. It is just an excuse to buy it anyway. "Hey honey, can you pick me up a 30pk of beer, some whiskey, and a new can of chew?" She says "heck no! You don't need that stuff!" I say, "but I'm smoke'n a brisket, butt, bird, and ribs........I need that for this smoke"...................she says "well, ok". HOOK, LINE, AND SINKER!!! ..........Hasn't caught on to the chew yet.