Originally Posted By: saltydog

Nope: turning up the temperature on the burner does NOT raise the temperature in the pot that is already boiling.


Well, not usually on a stovetop. But for the record, it can happen. It's the old cup-of-superheated-water-in-the-microwave trick. http://www.snopes.com/science/microwave.asp . The water temperature will rise above the boiling point if bubbles are not able to nucleate.