Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@Jens-Eskildsen If the bottle is overfilled, it SHOULD just leak out the overflow hose.
But so long as the pressure is gradual. If it gets a surge it will rupture the cap.