See i thought that too, the first time. the past 4 times, his water bowl is upright and still full of water.
I'm using the trick i learned about while reading these forums, the 3" PVC Coupler with an 8oz Deli Cup. He has only knocked it over once... Which was when he shed and poo'd and pee'd over the entire tub. i'm still trying to figure out how he soaked the lid a couple of times.