Monday, February 26, 2018

Caring for a Thermos Bottle

Contributing Author: Gentle Heron

Did you know that February 26 is Thermos Bottle Day? What is a Thermos® bottle? It’s a brand name of an insulated storage bottle also known as a vacuum flask. The space between the outer and inner metal bottles is a partial vacuum, created by removing the air. This gap stops heat transfer between the outside and inside containers. If a hot liquid is put inside, it stays hot; it a cold liquid is put inside, it stays cold.

When you first get a new vacuum flask, clean it carefully with warm water and dish soap. Remember, the flask is fragile, so avoid bumping it. You will clean it the same way, with warm water and dish soap, after each use. Do NOT immerse in water or put in a dishwasher. Let the flask drain upside down, then dry it carefully and thoroughly. Store your flask with the stopper off.

When you are ready to use the flask, pre- fill it for a few minutes with hot water (if the contents will be hot) or cold water (it the contents will be chilled). Avoid filling the flask too full; there must always be enough space at the top for the stopper to fit into the neck. Close the stopper tightly and be sure the cup fits securely in place on the top.

Always use the cup when drinking hot liquids from the flask. You should never use the flask to transport baby foods or milk products as these can spoil.

If you care for your vacuum flask properly, it will give you years of hot cocoa and iced tea when you are on long car trips or picnics.

Image credit: Pixabay

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