A:AnswerThere is a reservoir under the ice bucket or you can connect it with a plastic line they provided. I would assume you can buy an adaptor to connect to an existing small copper line.
A:AnswerI believe the machine says 2 inch balls. I didn't measure mine, but they are very close to that size. I think the glass in the picture is small. It's still a cool item. I put 2 in my drinks I've made.
