as far as the leaking, just go get yourself a waterbed liner. This will contain any leaking and allow for easy cleanup. It had cardboard sides and is wrapped in vinyl and will hold about 6" of water if spillage occurs.:thumbsup: And they are cheap and come in different sizes.:thumbsup::thumbsup:

heres a link to one i found
Safety Liners

or heres a cheaper one
Waterbed Liner, Standup waterbed mattress liners