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How to clean ceramic thermos cup

The thermos cup is generally a water container made of ceramic or stainless steel and vacuum layer. It has a cover on the top and is tightly sealed. The vacuum insulation layer can delay the heat dissipation of water and other liquids installed inside, so as to achieve the purpose of heat preservation. Thermos cup is a necessity for everyone in daily life, especially in winter. I hope to drink a cup of hot water in the cold weather. The thermos cup should also be cleaned once a day, and the cup surface, inner tank and bottle cap should be cleaned to prevent dirt. So, how should we clean it?

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1. Baking soda to remove peculiar smell: dilute baking soda with hot water, pour it into the thermos cup, cover it, shake the thermos cup, and then rinse it with clean water.

2. Remove peculiar smell with salt: pour salt into the thermos cup, dilute it with heated water, shake it evenly, soak it for 5-10 minutes, and then rinse it.

3. Descaling with lemon slices or white vinegar: put lemon slices or lemon juice into the thermos cup, add boiling hot water, soak for about an hour, and then clean it with a sponge brush. Therefore, vinegar also has the same principle and effect.

4. Cleaning the gap of the bottle cap: remove the cup cap, squeeze some toothpaste on the toothbrush, gently brush the gap of the bottle cap, and then rinse it with clean water.

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