Glad to hear you got it. The soap is pretty safe since you don't have to worry if the o ring is
oil friendly rubber. Steve, the vent hole is a good idea.
There is one danger with soap; don't use the wife's flower soaps...
BTW soap also works great for lubing screws your trying to run into wood. Those of you that have snapped off screw heads trying to run 'em into some yellow pine know what I'm talking about.