Scale is the precipitate of calcium carbonate or magnesium hydroxide produced by heating and decomposition of dissolved calcium bicarbonate or magnesium bicarbonate in water. It is a mixture of insoluble compound precipitate and impurities. Today xiaobian will recommend several common ways to remove scale cleverly. If you are also troubled by scale, you might as well try it.
Baking soda to remove scale
When a scaled aluminum kettle boils water, put a small spoon of baking soda and boil it for a few minutes. The scale will be removed.
Egg scale removal
A kettle of boiling water can be hard and dirty after being used for a long time. If it is used to boil eggs twice, it will get the desired result.
Potato skin scale removal
Aluminum pot or pot after a period of use, there will be a thin layer of scale. Put the potato skin inside, add the right amount of water, boil, boil for about 10 minutes to remove.
Use sweet potato to remove scale
In the new kettle, put half of the kettle above the potato, filled with water, will cook the potato, and then boil water, will not accumulate scale. But pay attention to the kettle boiled yam, the wall do not scrub, otherwise it will lose descaling effect. For the old kettle which has been filled with scale, after cooking once or twice with the above method, not only the original scale will gradually fall off, but also can play a role in preventing scale accumulation.
Physical methods to remove scale
The empty kettle is put on the stove to dry the water in the scale. When the kettle bottom is cracked or the kettle bottom is "bang", the kettle is removed and quickly filled with cold water. Or wrap the handle and spout with a rag, hold the kettle with two hands and quickly sit in cold water (do not let the water into the kettle). Repeat 2 to 3 times. The scale will fall off due to heat expansion and cold contraction.
Use vinegar to remove scale
If the kettle has scale, a few vinegar can be put into the water, burn one or two hours, scale is removed. If the main component of scale is calcium sulfate, soda ash solution can be poured in the kettle to boil, can remove scale.
Magnets prevent scale formation
Put a magnet in the pot, not only do not scale, boiled water is magnetized, still have prevention and cure constipation, laryngitis effect.