1, vinegar descaling. You can pour a small amount of water into the kettle, then add some white vinegar, burn it for an hour or two, and brush it again, and the scale will be gone. This is because the composition of scale is carbonate such as calcium carbonate, and acetic acid in vinegar will react with it to generate water-soluble minerals and carbon dioxide gas, so scale can be removed.
2. The remaining tea leaves are descaled. Pour the tea residue and hot water into the shop kettle, shake it a few times and leave it for half an hour, after which the scale will automatically fall off. This is because theophylline can remove scale.
3, boiled sweet potatoes can be waterproof. Put more than half a pot of sweet potato in the kettle, then fill it with water and cook it. There will be no scale when you use the kettle in the future. Don't wipe the inner wall of sweet potato after cooking, otherwise it will lose its decontamination function. If it is an old kettle, use sweet potatoes to remove the scale, and then go twice, and the scale will gradually fall off.
4, potato skin descaling. Put the potato skin into the electric kettle, then pour water to boil, and let it stand for a few minutes to clean the scale in the kettle. If you don't wash it once, you can boil water with potato skin several times, and the scale can be thoroughly cleaned.
5, lemon scales. Chop up the lemon and put it in an electric kettle, fill it with water and leave it overnight. Wash the electric kettle the next day. Note that if there is less scale, you can put half a lemon, if there is more scale, you can completely remove the scale.
6, scale remover to remove scale. Buy a pack of scale remover, then fill the electric kettle with water, add a proper amount of scale remover and use electric heating. Boil the boiling water, then soak it for 30 minutes, pour out the kettle solution and rinse it with clear water several times.
7. Baking soda can remove scale. First boil a pot of boiling water in an electric kettle, put a spoonful of baking soda after the water boils, and cook for a few minutes, and the scale can be removed.