First Time Use of Vacuum Flask

First time use of vacuum flask for hot water container

• Please make sure that flask is washed using washing liquid for first time use and continually rinsed with warm water for safety and hygiene function. It is also needed for flask conditioning purpose.
• After filled with hot water, please make sure that inside lid is correctly closed.
• If you let flask unfilled for sometimes, rinse with warm water to remove odor when it is used.
• To remove scale inside flask, add one teaspoon of bicarbonate of soda , then soaking overnight. Before reuse, make sure repeatedly rinse with warm water.