tap water, take water during the day time from a tap and leave it out overnight. once the water as come to the boil, take off the lid of the pot, turn fire down to low and continue to heat for 5 minutes (this gets rid of any unpleasant smells the water may have).
wait until the water is near boiling, then pour a little into the teapot and swirl it around. this warms the pot so that it is at an optimum temperature for holding the tea. empty the pot.
to the warmed teapot add one slightly rounded teaspoon of a tea per cup plus one teaspoon for the pot. or 