How to clean the yellow inner wall of the thermos cup

How to clean the yellow inner wall of the thermos cup?

1. Use the white vinegar we use every day. Tea scale is alkaline. Then add a little acid to neutralize it. The specific operation method is to add an appropriate amount of warm water to the thermos cup, then add an appropriate amount of white vinegar, let it stand, and rinse it with water after 1-2 hours.

2. Put hot water and vinegar in the thermos cup, the ratio is 10:2; put the leftover shell of the egg after eating, it is the crushed egg shell, and it can be cleaned by shaking the thermos cup.

How to clean the inner wall of the thermos cup?
1. Method 1: Add edible salt into the cup, pour some water to dilute, tighten the lid and shake for 30 seconds, so that the salt dissolves and covers the cup wall, let it stand for 10 minutes, it can fully kill the bacteria in the cup, and then rinse with clean water It takes all the dirt away in one pass. Squeeze in some toothpaste and use a toothbrush to scrub the cup lid. Bacteria are easy to breed in the gaps. The fine bristles of the toothbrush help to clean stubborn stains, and also have the effect of sterilization and antibacterial;

2. Method 2: Pour in an appropriate amount of baking soda, add water and shake it continuously, the decontamination ability of baking soda is obvious to all, just rinse it off at the end.

How to clean the inside of the thermos cup?

1. Add a cup of water with baking soda, pour it into the thermos cup and shake it gently, the scale can be easily removed;

2. Put a little salt in the thermos cup, then fill it with hot water, soak for more than ten minutes, and then rinse it with clean water several times to remove scale;

3. Heat the vinegar and pour it into the thermos cup. After soaking for several hours, pour out the vinegar and wash it with water several times to remove scale;

4. Put lemon slices in the thermos cup, add boiling hot water, soak for about an hour, then scrub with a sponge and wash it off.