Q:

How do you clean a metal thermos?

A:

Quick Answer

To clean a metal thermos, put vinegar and baking soda in the thermos, and fill it with boiling water. Allow the mixture to cool, then gently scrub the thermos with a bottle brush, rinse with water and allow to dry.

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Full Answer

  1. Combine vinegar and baking soda in the thermos

    Use 2 tablespoons of white or apple cider vinegar and 1 tablespoon of baking soda for every cup the thermos holds.

  2. Fill the thermos with boiling water

    Fill the thermos to the top with boiling water. Do not place the cap on the thermos. Allow the mixture to cool for about 10 minutes.

  3. Scrub the inside of the thermos with a bottle brush

    Gently scrub the thermos with a bottle brush, which can be found in the baby department of most chain stores.

  4. Rinse the thermos and allow it to dry

    Rinse out the thermos, and dry it upside down to make sure no liquid pools in the bottom of the thermos.

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