1, lemon descaling: put the chopped lemon into the kettle, boil the water, then clean the kettle with detergent and rinse it with water.

2. Baking soda descaling method: use an electric kettle to boil water, add 15g baking soda and let the water boil for a few minutes.

3. Descaling the potato skin: put the potato skin into the pot, add appropriate amount of water, boil and cook for about 10 minute.

4, vinegar descaling: after boiling, add a few spoonfuls of vinegar, and then cook for one to two hours, you can descale.

Extended data:

The formation process of pot rust is:

Scale is that calcium and magnesium ions in water are slowly separated from boiling water during heating. When water boils, it initially exists in the form of floating objects. If heating is continued, suspended matter will be formed in the water, which will precipitate on the bottom of the water or adhere to the inner wall of the container to form scale.

Generally speaking, hard water is easy to produce scale. The so-called hard water generally refers to water containing minerals such as calcium (Ca) and magnesium (Mg) salts. For example, rivers, lakes, wells and springs are generally hard water. Urban tap water generally comes from rivers, lakes or well water and also belongs to the category of hard water.

After water is heated to boiling, part of it evaporates and insoluble calcium sulfate precipitates. The original dissolved calcium bicarbonate and magnesium bicarbonate decompose in boiling water, releasing carbon dioxide, becoming insoluble calcium carbonate and magnesium hydroxide, and sometimes generating magnesium carbonate, thus forming scale.

People's Daily Online-Life Tips: Skillfully descale the electric kettle.