This is how to clean thermos flasks to keep the beverage intact

You may already know this, but it is worth noting that thermal cups, in addition to being versatile, are one of the infallible allies in offices, gyms, days of errands, or long car trips, Do you know why? Because maintain the temperature of your favorite beverages for long hours, either hot or cold. However, little is said about its cleanliness.

You may find that cleaning bottles and containers of this type is difficult after leaving liquid inside for a long time, as they stain – especially when it comes to coffee – and the smell of the juice penetrates the material. Here we will explain how to clean stainless steel thermal glasses and bottles, maintain their condition, and leave them impeccable for their next use.

How to clean a thermos with vinegar and baking soda

As time goes by, scale and stains accumulate inside thermos flasks, ruining the aesthetics and even affecting the aroma. This is because the water contains salts and minerals that adhere to the walls and become solid. We can even inadvertently ingest this scale without realizing it. Baking soda and vinegar are excellent cleaners to remove it from the bottom of the thermos flask and disinfect it.

1. Remove the lid of the thermos to avoid damage.
2. Pour in half a cup of white vinegar and a tablespoon of baking soda and mix.
3. Let the baking soda take effect for a few minutes, and when it has reduced its intensity, add hot water.
4. Let stand for 8 to 15 minutes.
5. Clean the inside with a bottle brush.
6. Rinse until the vinegar smell disappears.

Note: Use a brush for cleaning bottles and tall, narrow containers to reach hard-to-reach places and scrub stubborn stains.

How to clean thermal glasses with rice

Another alternative home remedy for cleaning thermal glasses is rice– yes, rice! See how to take advantage of it in just five steps:

1. Half fill the thermos with hot water and add a few tablespoons of rice.
2. Cover tightly and shake until all the accumulated dirt is removed.
3. Then, let it sit for a few minutes for the cleansing effect to take place.
4. Empty the contents and rinse well with soap and water.
5. Leave it uncovered for a while to prevent bad odors.

How to clean the inside of a stainless steel flask with ice and salt

Believe it or not, ice and salt are a very effective duo for removing stains inside a thermos bottle. Below, we show you how to use it and leave it in optimal conditions:

1. Empty the container of any liquid and fill it with crushed ice.
2. Before the ice melts, add 2 to 3 tablespoons of salt.
3. Once the ice and salt are integrated, close and shake for one minute. This will cause ice and salt granules to move inside the flask and scrape stains and dirt accumulate on the insulated metal.
4. Finally, remove the lid, empty it and rinse it with warm water and the dishwasher as usual. Please do not close it until it has dried completely.

How to remove bad odor from a thermos bottle with lemon

This process is very simple, just boil a cup of water with three lemons; once hot, pour it into the thermos (including the lemons), shake and let the liquid stand for 15 minutes inside. When finished, rinse and check how the stench has disappeared from the inside.

And remember: it is not enough to clean them. It is essential to take care of them to extend their useful life. Do not forget not to use it for heating in the microwave or the freezer, as exposure to intense heat or cold could damage its functionality and damage the powder-based finish of the thermos.