haha I know this is kinda a old thread but oh well I think what I have is a super pet water bottle, and it has a spring behind the ball so it doesnt leak nearly as much as normal water bottles. I absoloutly love it but I can't find a store that sells them anymore
It's difficult to determine what water bottles are best on the internet, because different people have differing experiences. I have used five glass Superpet brand water bottles and haven't had many problems with them. The only issue is that the nozzle can rust over a period of time, so you do have to replace it once in a while.