1, dip baking soda with a wet cloth, wipe the scale hard, and then rinse it with water.
2, add some vinegar to the kettle, vinegar alkali reaction, can dissolve the scale.
3. Pour some water and lemon juice into the kettle, then electrify it for half an hour to remove the scale.
4. Pour the tea into the kettle, shake it vigorously and let it stand for half an hour, and the scale will fall off. 5, put some broken egg shells into the kettle, shake hard, or scale.
Second, the harmfulness of scale:
1, scale will affect the thermal conductivity of the kettle, thus increasing the power consumption of the electric kettle.
2, scale attached to electrical appliances, will affect its safety, heat transfer is not good, may lead to the risk of tube explosion.
3, a large number of metal ions will accumulate on the scale, and using it to hold water will lead to the risk of heavy metal poisoning in human body.
4. The scale fragments will react with human stomach to form hydrochloric acid, which makes people feel flatulence and uncomfortable.
Three, kettle daily use should pay attention to what:
1. The water in the kettle should not exceed the water level line, but it should not be too little, otherwise it will cause overflow or empty burning, leading to failure. In addition, when boiling water, the power supply of the kettle should be connected before it can be plugged in for heating. If it is an automatic kettle, you need to unplug the switch and turn on the power.
2. The electric kettle is a kind of high-power electric appliance. Before use, please read the instructions carefully and choose a separate socket. Do not use the socket with other electrical appliances. In addition, the power plug should be kept dry, not drenched with water and not placed near the fire source.
3. After the electric kettle is electrified, it is safer to take water for drinking when it trips automatically. It is normal if the kettle is very hot during heating. At this time, it is not allowed to move at will, which affects the contact between the base and the kettle, resulting in no heating.