Boil for about 2-3 minutes.

the water must be completely boiled. When boiling water, you won't feel the water boiling when you look at the water surface. At this time, the water is more toxic and has not been completely boiled. You should boil it for a while before drinking it. Water can't be boiled for long. If the water is boiled for too long, it will lead to the aging of water and the formation of harmful substances.

In order to kill germs and viruses in water to the greatest extent, reduce the hardness of drinking water to the greatest extent, and reduce the nitrite content in drinking water, it is best to control the boiling time of boiling water for 5-1 minutes. If the boiling time exceeds 15 minutes, or the water heater in public places boils repeatedly.

attention should be paid to boiling water

1. Smooth exhaust

First of all, everyone must pay attention to smooth exhaust, and the whole air circulation must be good. Our range hoods and other ventilation equipment must be kept in good condition, so as to exhaust well and not cause some emergency smoke problems.

2. Rational use of electricity

Second, we must pay attention to safe and secure use of electricity. All the cuttings and all the sockets must be fixed. Then there are the sewage discharged by these power plants and so on. It is necessary to ensure that they are powered on in time. If the water boils, close the valve immediately.

3, to prevent burns

after the third boiling water, be sure to pay attention to prevent burns. When drinking water, be sure to measure it first to avoid scalding. After the water boils, be sure to unplug the power supply and turn off the socket in time. Only in this way can its safety be guaranteed.