Are you certain you're not from Missoura Ted. Your icecubes are displacing 7/8s of their own mass already and you probably don't pour such that the other eighth is above the rim so it will likely all fit. A lot of the meltwater which Mad Al is threatening us with is tied up in snow and ice on the rim of the tub. As long as it stays there, the ring in the tub won't go any higher. As for the Great Lakes subsiding, what's your theory?

jack