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how to get rid of smell in vacuum flask

A thermos is a handy tool for keeping beverages hot or cold for extended periods of time. However, if not cleaned and maintained properly, these flasks can develop an unpleasant odor that is difficult to remove. Whether it’s a lingering coffee smell or leftover soup from yesterday’s lunch, a smelly thermos can ruin your drinking experience. But fear not! In this blog post, we’ll explore five effective and natural ways to get rid of those pesky smells and restore freshness to your flasks.

1. Baking soda and vinegar solution:

Baking soda and vinegar are two powerful ingredients for eliminating odors. First, rinse the thermos with warm water to remove any loose residue. Then, pour warm water into the flask, add two tablespoons of baking soda, and swirl the mixture gently. Let it sit for a few minutes, then add a tablespoon of vinegar. The solution will fizz and help break down odor-causing particles. Rinse the flask thoroughly with warm water and the odor will be greatly reduced, if not completely eliminated.

2. Lemon Salt Scrub:

Lemons are known for their refreshing scent and natural cleansing powers. Cut a fresh lemon in half and soak one half in some salt. Scrub the inside of the thermos with a lemon, paying special attention to areas where the smell tends to linger, such as the cap or lid. The citric acid in lemons helps neutralize unpleasant odors, while the salt acts as an abrasive to remove stubborn residue. Then rinse the flask with warm water. look! Your flask will be odorless and ready to use.

3. Charcoal deodorization:

Charcoal is a great natural deodorizer that effectively absorbs moisture and odors from the air. Buy some activated charcoal or charcoal briquettes and put them in a breathable cloth bag or wrap them in a coffee filter. Place the pouch or bundle into a thermos and secure the lid. Leave it on overnight or a few days, depending on the strength of the smell. The charcoal will absorb odors, leaving your flask smelling fresh and clean. Remember to remove the charcoal before using the flask again.

4. Soak in white vinegar:

White vinegar is not only an excellent cleaner, it is also an effective deodorizer. Fill a thermos with equal parts warm water and white vinegar, making sure to cover all smelly areas. Let it sit for at least an hour, then rinse with warm water. The vinegar will break down the odorous compounds, leaving your flask odorless. If it still smells like vinegar, rinse it again with warm water or let it air dry for a day or two.

5. Denture cleaning tablets:

Amazingly, denture cleaning tablets can also help refresh your thermos. Fill a flask with warm water, add denture cleaning tablets, and secure the lid. Let it sizzle and dissolve for a few hours or overnight. The effervescent action of the tablet eliminates odors and breaks down any stubborn stains. Then, rinse the flask thoroughly with warm water and your flask is ready to use without any odour.

No one wants their favorite drink to suffer from an unpleasant smell from their thermos. By implementing these five effective methods—use a baking soda and vinegar solution, try a lemon and salt scrub, use charcoal to deodorize, soak in white vinegar, or use denture cleaning tablets—you can eliminate those destructive odors and keep your teeth healthy. Your flask is restored to its original state. Raw freshness. Remember that regular cleaning and maintenance are essential to prevent future odor buildup. Enjoy your beverage with confidence, without any bad smells!

vacuum flask thermos


Post time: Aug-07-2023