The specific situation is as follows:
The temperature in Chongqing is generally below 0 degrees. In winter, just choose something that won't freeze at minus 10 degrees. Otherwise, when you get up early. and the weather is cold, he will escape. It's easy to scratch frosted windows, so it's summer. Also pay attention to the formula that does not contain formaldehyde. The brand does not matter, the important thing is whether the glass of water is antifreeze or not. When adding the glass of water yourself, be careful not to overfill it. If there is foam at the mouth of the container, don't worry. it will not affect the use.