How to clean tea stains on stainless steel insulated cups?

1. Pour a small amount of clean water into the stainless steel insulated cup, and after preliminary cleaning, discard.
2. Put 2 spoons of baking soda into the cup for consumption.
3. Pour an equal amount of white vinegar into the insulated cup.
4. Put on the lid, shake slightly, and then invert the thermos for a few minutes.
5. Pour out the substance from the tea cup, and finally clean it 1-2 times with warm water to remove the tea stains.
How to clean tea stains on stainless steel insulated cups
1. Firstly, clean the stainless steel insulation cup with clean water and then pour out the water.
2. Put two spoons of edible baking soda into the cup. Edible baking soda is alkaline and effective in removing tea and water stains, and has a good cleaning effect.
3. Then pour an equal amount of white vinegar into the cup. White vinegar can soften tea stains and remove scale.
4. After pouring in the white vinegar, we screw on the lid (don't tighten too tightly, leave a little gap) and shake the teacup left and right. After shaking, turn the tea cup upside down and let it sit for about a minute. Inverting is to better clean the tea stains on the filter screen.
5. Pour out the white vinegar and other substances from the insulation cup and clean them with warm water.
How to clean the scale at the bottom of the insulation cup
First, put a handful of rice into the thermos. Pour in some more water, cover it, and shake for about 3 minutes. At this point, during the shaking process, the rice can rub against the inner wall of the insulation cup to remove stains.
Secondly, the rice washing water has a certain cleaning effect, which can remove the stains at the bottom of the insulation cup. After the shaking time has passed, pour out the contents and rinse them with water. You can clearly see that the insulation inner wall has become clean, as if it were newly purchased.
How to clean the mouth of the insulated cup
Simply cleaning the insulated cup is not enough. The mouth of the insulated cup is directly in contact with our mouth, so we also need to clean it regularly.
Remember not to use hard objects such as steel wire balls to avoid damaging the insulation cup, which is not conducive to later use.
First, apply some toothpaste to the mouth of the thermos cup. Use a toothbrush to brush the rim of the insulated cup. After the stains are brushed clean, rinse them again in water. Because toothpaste contains abrasives that have a certain cleaning effect. Learn to clean the thermos cup this way, no matter how dirty or difficult it is to clean, it can be easily solved.