About the kettle has the taste of the shop to clarify， this section of the mine is Japan's sales of water， the constant quality standards are Japan's domestic standards. As for the taste that is certainly there， the kettle for the closed movement of the kettle， not to say that once there is no soaking， it is impossible. Kettle is used when the internal water with a retractable mouth replenishment， if you are open to open the mouth of the mouth to drink that still will taste. Just say that the frequency of frequent use will gradually dispersed， if you must not want to taste， it is recommended to consider the insulation Cup. Thank you for your understanding!
