Water quality meter - so far upset. Let's test further, maybe not so bad. If we do not deal with the quality of water, we will not find a supplier of really clean water - we will have to put it in a box for now and filter the water from the tap. But the electric pump is good and convenient, definitely. Some pros: I pressed the sensor 2 times - turned it on, 1 time - turned it off. The sensor works ALWAYS and as it should. Appearance is neat. Water doesn't drip. You can charge it right there with a power bank without removing it. Cons: The water quality indicator has an error of + -7 or even displays incorrect results: Water quality from the same bottle shows either 274 or 294. From the tap 275. I have already distanced myself that I buy water of almost worse quality than from the tap. The plans are to measure the quality of the water after the jug filter again (during the initial use, it showed the same water quality as before the filter). It is not fixed on the neck of the 19l bottle, but there are no particular inconveniences with this. In a 5-liter bottle, you will have to twist the entire hose and some kind of special. way to fix the pump better.
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