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How to use the new buy thermos for the first time

Sep 18, 2019

Before use, clean the inner tank first, first use warm salt water or vinegar warm water to smash first (to prevent the temperature difference from causing burst), then fill the bottle with boiling water and cover the bottle for 12 hours, then re-can open the water and use it normally. (Be careful not to mix oil when filling the water, otherwise the bottle is easy to break). The water bottle stopper can remove the odor and soak it in tea or white vinegar before use.