Tetsubin
Origin
Iwate and Yamagata Prefectures, Japan
Material
Cast iron
Recommended For
Water heating for all Japanese teas. Enamel-lined versions can be used for brewing; unlined versions are for boiling water only.
About
The tetsubin is a Japanese cast iron kettle originally used for heating water over charcoal. Traditional tetsubin release trace amounts of iron into the water, which is said to improve the taste and provide health benefits. Modern tetsubin often have enamel-lined interiors for easier maintenance. Their excellent heat retention keeps water hot for extended tea sessions.