First put a small amount of white vinegar in the kettle (aged vinegar is ok, but the effect is not as good as white vinegar), then fill the kettle with water and heat it to boiling. Leave it for about an hour, and you will find that the scale in the kettle has dissolved a lot after opening it. As long as you brush off the residual scale on the kettle wall with a brush, the hot kettle will be clean.
Extended data:
The benefits of drinking old vinegar:
1, vinegar can stimulate appetite, promote the secretion of saliva and gastric juice, help digestion and absorption, make appetite strong, digestion and accumulation.
2. Vinegar has good bacteriostatic and bactericidal effects, and can effectively prevent intestinal diseases, influenza and respiratory diseases. Adding vinegar to the diet can not only inhibit the growth of bacteria, but also enhance the flavor of food.
3, vinegar can soften blood vessels and lower cholesterol, which is a good prescription for patients with cardiovascular and cerebrovascular diseases such as hypertension. Mineral potassium can excrete excess sodium in the body and prevent hypertension and arteriosclerosis.
4. Vinegar can protect skin and hair well. In ancient China, it was recorded that vinegar was used as medicine. It was believed that vinegar had the effects of hair growth, beauty, blood pressure reduction and weight loss. It can also promote the acid-base balance of human body. Beauty beauty, add flowers and fruits, honey, etc. , the effect is better.
Baidu encyclopedia-mature vinegar