I've used the fuse method in my 18.5" WSM several times; each time was for smoking bacon. My goal is to have it cruise at about 150* for a few hours and then bump it up to about 195* and get the bacon up to about 145* or 150*. Temp control is the same as every other minion cook that I've done. It always stays within about a 10* range until I bump it up.