Twice now I've come home to my chicks waterer being empty and the paper towels/ sawdust in the bottom of the brooder being soaking wet. The container was still standing up. It was still connected to the base. I was scratching my head trying to figure out how they emptied ALL their water out of the chick waterer. Well tonight I was in bed working and heard the "blurb blurb blurb" noise of the waterer releasing more water down....then a little later heard it again...and again....so I went to go investigate and realized that a folded over sheet of paper towel was in the dish of the waterer! The Paper towel would just keep soaking up more and more water from the dish- and the waterer would release more down into the dish. So mystery solved -and that's my warning! Make sure you don't have excess paper towels or loose paper towels near the waterer.