Chushin Kobo

The hot water which is boiled by a casting kettle is able to erase almost all chlorine from tap water; so the water will be mild, have no smell and will be tasty hot water.
The hot water will have iron, which is a merit to be able to take iron naturally as we need it for our body. So you can enjoy tasty hot tea with a hint of healthy iron.
The iron of hot water and tannin of tea react together to make an enjoyable tasty tea.