I read some reviews and come to the conclusion that people either did not use this device or deliberately write a lie. Do not believe those who write that the device does not clean or humidify the air well. Every time I change the water it has a dirty yellow tint. Humidity in a room of 12 m rose to 70%. It was getting humid like in the tropics. And this is in the winter when the batteries are running to the fullest. Room 20 m - humidity rose to 60%. This is of course at night when the windows are closed. During the day, when you regularly ventilate the room, the humidity is approximately stable at 55%. After airing, it naturally falls, but then quickly reaches 55% again. A very optimal number. You can clearly see the colors. They finally do not die for the first time in winter. Even on the windowsill above the battery they do not dry. So the device works great. Bull that it does not work - do not write. Don't mislead people.
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