Drinking tap water is scary, and constantly buying half-liter bottles for the city is not very environmentally friendly: you need many of them, containers for recycling are not everywhere, and nature needs to be protected and loved. And I urge everyone to reduce their plastic consumption where possible. There is no need to go to extremes and give up water or some snack if it is packed in plastic. But if possible, it is better to eat in an institution with plates, rather than disposable dishes, or pour water into your container – in general, you can get used to it.

Of course, you can order water at home or purchase a filter jug, but I was looking for a more portable option to have clean water everywhere and not think about it.


The manufacturer has a regular bottle with a UV filter and a thermos that keeps it cold for 24 hours or warm for 12 hours. I have a second option.

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The main material is electrically conductive stainless steel. Upper with plastic insert for a comfortable grip.

There are many colors to choose from: blue, black, white, pink, and mint in two shades. Two volumes: 500 and 740 milliliters.

Personalization doesn’t end there: you can buy a carabiner or a case to make it stand out from the rest.

How it works

Hidden in the lid is a UV-C LED for purifying water and the interior of the bottle. You can start cleaning by pressing a button, but everything will happen automatically every two hours if the lid is charged.

Ultraviolet light lasts 40 times longer than mercury-based technology. In addition, it is completely safe and destroys up to 99.9% of bacteria and viruses in just 60 seconds.

The only complaint is charging via the micro-USB connector. In 2021. And also a complete wire without USB Type-C. If you are progressive and there are no adapters with USB Type-A left, you will have to buy more because there is no such kit.

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A full charge will last for one month of sensor operation. It is, logically, protected from moisture: it can be washed, but only by hand – it will not survive the dishwasher.


For those who have doubts about the quality of consumed water or want to reduce plastic in their life, this is an indispensable accessory. Long-lasting, beautiful, and thoughtful (I won’t say anything about micro-USB).

If you lead an active lifestyle and often go hiking, this is also a great option. We took water from the stream, cleaned it of excess, and are not afraid that you will catch some sore.

There is a visual experiment on the LARQ channel that shows what happens to water in a regular and “smart” bottle after 72 hours:

You can buy LARQ Smart Bottle from Amazon for $98.

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