How to remove scale from a thermos bottle

Thermos is a very common item in our daily life, especially for some boarding students or college students. They are quite familiar with it. Thermos can not only provide people with warm water in winter, but also help people warm their hands and feet. Therefore, the thermos has been loved by many people since the day it was produced. However, after using the thermos for a period of time, scale will appear in the inner tank. What should we do if there is scale? What are the methods to remove scale from thermos bottles?

First, empty the hot water in the thermos and add vinegar into the thermos, making sure the amount of vinegar just covers the bottom of the bottle (thermos).

Then put the stopper on the thermos, place the thermos horizontally, and slowly rotate it so that the vinegar is in full contact with the wall of the thermos. Swirl for about 40 seconds, then uncork the bottle and pour out the vinegar.

Then fill the thermos one third of the way with water. Put the stopper on the bottle, pinch the stopper with your hand to leave a slight gap at the bottle mouth, and then shake the thermos. Shake the thermos for about 15 seconds and then pour out the water.

Observe if there is no scale in the thermos. Then repeat the previous step with clean water and wash twice more. If there is still a small amount of scale, repeat the second step with a small amount of vinegar to dissolve the scale. Then rinse it three times with clean water.

Precautions

It shouldn't take too long for the vinegar to dissolve the scale.

What are the methods to remove scale from thermos bottles? After reading the introduction above, I believe everyone knows how to cleverly remove scale from the thermos. In fact, in addition to these, you can easily remove scale with baking soda or lemon water. Scale has a very large impact, so when scale appears on items in your home, you can use this method. It is simple and fast, and very good.