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If you want to test it yourself at home, it is generally unlikely. This equipment requires a lot of money, and it is generally not realistic to buy it back by yourself.
You can go to the local health and epidemic prevention station, environmental protection office or water company, take the sample bag for that kind of water, fill it with water and send it for testing. But this is a fee, and the charging standards are not the same in various places, about 2,000 yuan, of course, if you have acquaintances, and you don't need a test report, you may be tested for free
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3M is an American brand, it also has a long history, it is a relatively well-known company, and it has been making water purifiers for a long time. Even if it is a relatively new product, the design of the filter element also has its own uniqueness. However, foreign brands are not as transparent about the water quality in China as local companies have studied. >>>More
1 answers2024-08-291. Remove all the batteries immediately, unscrew the screws to open the shell, and dry them naturally or blow them with a hair dryer.
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- Enter the door
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