You need boiling water for tea in a hurry.
Should you start with cold or hot water
from the tap?

Question

Accepted Answer

Cold. Hot water sits in the heater tank and picks up more sediment and metals. — The old wisdom is chemical, not thermal. It boils only fractionally slower and produces cleaner tea.

You need boiling water for tea in a hurry. Should you start with cold or hot water from the tap?