I've had similar bottle stress recently, Metallica somehow managed to chew a tiny hole at the top of her bottle which meant all the water flowed into her cage - minx! And then her son Zeppelin3 has got it in for his bottle and keeps knocking it out, so I have put his cage on the floor so that the bottle is wedged against the wall, it seems to be working. But no doubt another bundle will find something equally amusing to do with them - they do keep us on our toes