I don't know if this will work "in" you cage but it works well for me outside of the cage... I have a small litter box with 2 bowls, one ceramic, and one of those types with the lid that is supposed to be spill proof. I put a paper towel on the bottom and fill those bowls both with water. So far, so good... Its been working for over a year and my 4 have free run in a 9x12 room. We came up with this system when we were ferret sitting for my friend's 6. Her little albino, Keera, is trying out for the Olympic dive team and she couldn't even get the bowl tipped over! Good Luck! ______________________________________________________________ Kristeen, Katie, Matt, Al, Stanley & Baron ([log in to unmask]) [Posted in FML issue 3691]