The thermos cup can be described as one of modern people's personal equipment. The thermos cup is so popular because it is environmentally friendly, cheap and easy to carry, and it can keep your favorite drinks at the right temperature for several hours. However, if it is not cleaned properly, the thermos cup will easily produce peculiar smell, accumulate dirt or breed bacteria. How to clean the thermos cup correctly?
Improper cleaning of the thermos cup can easily accumulate dirt, odor and bacteria
If you put tea, coffee, Chinese medicine in the thermos cup, it is easy to accumulate stains or taste; when you put high-protein beverages such as milk, soy milk, etc., it is easy to breed bacteria and deteriorate after a period of heat preservation, and thick beverages may also stick to the inner wall.
However, many people clean the thermos cup, but just rinse it with warm water, which does not effectively remove the dirt; sometimes although the inside of the cup is carefully cleaned, the long-term dirt deposited in the gap of the lid is ignored.
So, just use a vacuum flask to fill the boiled water, don't you need to wash it every day? In fact, as long as the mouth touches the mouth of the cup, bacteria will stick to it. However, Pete Iwen, a microbiologist at the University of Nebraska Medical Center (UNMC), said that if it’s the bacteria in your own mouth, you don’t have to worry about getting the disease, but if you share the thermos with others, or use your hands Touching the mouth of the cup is likely to cause bacterial contamination.
2 ways to clean the thermos cup
1. Clean with baking soda
Put baking soda powder in the thermos cup, then add a small amount of warm water, gently scrub with a soft brush, and finally rinse with clean water, so that dirt, grease or bacteria in the cup can be removed. Be careful not to use vegetable gourd cloth when cleaning to avoid scratching the inner wall of the cup.
If the dirt is difficult to remove, you can use a mixture of baking soda and vinegar to clean it as follows:
1. Pour 120ml of vinegar in the thermos first , and then pour 30ml of baking soda. After the two are mixed, they will foam. In order to avoid bubbles from overflowing, it is best to do it in a sink.
2. When the bubbles become small, pour in hot water to fullness and let it stand for 8-10 minutes. Then rinse it off with hot water. Remember to rinse the inner edge of the bottle mouth too.
It should be noted that it is not recommended to use vinegar to clean the insulated cup with coating (the inner wall is usually gray).
2. Clean with ice cubes and salt
Using ice and salt to remove stains is a natural and safe method. But it should also be noted that if there is a coating on the inner wall of the thermos cup, this cleaning method is not suitable, otherwise the coating may peel off.
The cleaning method is as follows:
1. Put about 1/4 ice cubes in the thermos cup (crushed ice cubes are best).
2. Sprinkle 2 to 3 tablespoons of coarse salt on the ice. Coarse salt has a better cleaning effect; if you add fine salt, add half a tablespoon more.
3. Close the lid tightly and shake the thermos cup up and down vigorously. Ice cubes and salt will remove stains from the bottle when shaken in the bottle.
4. After pouring, pour in warm water and rinse.
Don't worry about ice damage to the stainless steel cup body. The stainless steel vacuum flask is designed to withstand extreme temperatures and slight impacts.
Don't forget to clean the lid and body of the cup
When cleaning the lid of the vacuum flask, pay attention to the grooves that may hide stains or bacteria. These gaps can be cleaned with cotton swabs.
If the lid of the cup is dirty or smelly and needs to be cleaned thoroughly, please refer to the instructions first to see if the lid can be boiled in hot water; if not, it is recommended to disassemble the parts, pick out the rubber ring with a toothpick, and put it in warm vinegar Soak in water for about 10-20 minutes, then scrub.
If the outer wall of the thermos cup has accumulated water stains or rust, it can be wiped with a sponge or a cloth dampened with vinegar.
Also Read: What should I do if the towel smells? 3 ways to remove the odor of towels and sterilize them
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