Don't soak the milk jug. Put a little bit of water (i'd say above an inch off the bottom) close the cap and shake it like a mofo. drain. do it a few more times.
Filling it up all the way to soak it makes it so the escaping water just burps soap bubbles back up into the jug.
Source: using a milk jug right now for my cold water needs because this area of Vancouver's ground water decided to be lukewarm for the past day
Filling it up all the way to soak it makes it so the escaping water just burps soap bubbles back up into the jug.
Source: using a milk jug right now for my cold water needs because this area of Vancouver's ground water decided to be lukewarm for the past day