I can only say, "wow!" As you point out the pot was heated with a wood fire and the kettle with electricity. I was thinking of comparing an electric plug- in kettle v a gas stove.

In an case ... Dr Falkinham answered questions about water in a recent post to the ntmir support group. He does say boil for 10 minutes. They are setting up a webinair where he will answer questions and are talking about the logistics of the q and a.