koolaid
assuming you're perfectly acquainted with the "actual answer to this question" why did you bother to squander your mesomorphic nuttiness into asking in the first place???
koolaid
(clue: the answer's rhetorical, it wouldn't have been unless you're Bill Nye)
Answers & Comments
The residual heat of the stones will only heat the water rapidly and eventually bring it to a boil, purifying it.