There is a detailed instruction in 2022, which would be good to study before use. It moisturizes the air well, most of all - when about half of the water remains. I change the water about once every 3-4 days, the device works part of the daylight hours. It is undesirable to add water, only a replacement. The remaining water is cloudy and has a pronounced yellow color. I did not notice an unpleasant smell, when replacing water I throw a tablespoon of sea salt there. All options are activated by a separate button at will - ionization, ultraviolet LED, plasma filter and Amazonation (it works, you can smell it, but you can only use it indoors without people). I can not judge how effective the plasma filter is, but some dust settles on it. There is a small mosquito net on the top, easy to remove and wash. In general, the design itself is as simple as a felt boot - a bucket with a water level window, a drum (requires careful handling), and an upper part with a drum drive, fan, plasma filter and control panel. The fan along the way is an ordinary large-diameter computer fan, which I consider a plus, if it breaks, you can replace it yourself, it costs a penny. Feels cool, let's see what will happen in the heat. At night, it is normal with him if the speed is at a minimum. Below they write that unipolar ionization is rather a minus, but there seems to be no unequivocal answer to this question. Everything is good in moderation. I noticed such a moment that after replacing the water, the upper part of the device must be put back carefully, without distortions to the left and right, otherwise the drum drive gear will rattle. The drum itself rotates in the opposite direction at each start, for uniform wear of the gears. The manufacturer has its own forum where it is not afraid to answer customer questions.
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