The main components of scale are calcium carbonate and magnesium hydroxide, which can undergo chemical changes with acids. According to this principle, Pour some edible citric acid or citric acid scale remover into the kettle（Cooking vinegar can also be used）. Heating treatment, You can see many small bubbles, The scale quickly dissolved.

The method of using vinegar to remove scale from stainless steel electric kettles is quite common. Because the main component in scale is calcium carbonate, It can react chemically with acetic acid in vinegar, Produce minerals and carbon dioxide gas, This is also the principle of using vinegar to remove scale. The specific approach is also very simple, Pour white vinegar or vinegar (the effect of white vinegar is better than vinegar) into a kettle, The dosage is 10% of the kettle measurement, Add water for heating, Wash after standing for one hour，You can easily remove the scale from the electric kettle. Generally, try more times, You can completely remove the scale from the kettle.

      Drinking the remaining tea leaves can also be fully utilized to clear the scale in the electric kettle, The method is to pour tea residue and hot water into an electric kettle together, After shaking it a few times, Let it stand for half an hour, Afterwards, the scale will naturally fall off. The principle is to use theophylline to remove scale.

      Soda is also a small helper for removing scale from electric kettles. First, use an electric kettle to boil a pot of water, After boiling the water, add a spoonful of baking soda, After that, boil for a few more minutes, The scale can be removed. Or pour 500 grams of 1% baking soda water, Shake the electric kettle, Scale can also be immediately removed.

      Egg shells can also remove scale. After breaking the egg shells, place them in an electric kettle, add a little detergent and an appropriate amount of water, block the spout with a bottle stopper, rotate and shake, and then rinse with clean water. The scale in the stainless steel electric kettle can be quickly rinsed off.

      The method of removing scale from sweet potatoes should be rarely known, and this method is very good, especially for newly purchased stainless steel electric kettles. Put half or more of the sweet potatoes in the kettle, then fill it with water and cook the sweet potatoes until cooked. In the future, using a kettle to boil water will prevent scaling, but it should be noted that after boiling sweet potatoes, the inner wall should not be wiped, otherwise it will lose its descaling effect. If it is an old electric kettle that has already accumulated scale, using sweet potatoes to remove the scale will take one or two times before the scale gradually falls off, and it can also prevent the scale from accumulating again afterwards.