Christmas 2022Review: Waatr LYT Self-Cleaning Water Purifier

Review: Waatr LYT Self-Cleaning Water Purifier


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Here is our review of the Waatr LYT Self-Cleaning Water Purifier.

This bottle has a powerful ultraviolet light is your family’s new favourite tech! Built right into the cap, hard-working rays are on the same wavelength as the UV used to sanitise operating theatres and water treatment plants. These UV-C rays destroy various micro-organisms in your drinking water. Third-Party tested to kill 99.9% of e-coli in your water. The LYT bottle cap stops odours from breeding inside your water bottle. EVERY HOUR, powerful UV rays in the cap automatically activate, keeping your bottle fresh and clean keeping odour and everyday funk away from the bottle.


  • UVC Purification technology.
  • 10-12mW UVC LED.
  • Destroys bio-contaminants.
  • 99.99% kill rate – tested on e.coli in 3 mins.
  • Self-cleans bottle.
  • 18/8 Stainless steel bottle.
  • Vacuum insulation technology.
  • Keep cold 24 hrs. Hot 12 hrs. 
  • Port-less magnetic charger.
  • TSA-friendly.
  • Does not remove chemical, metals, etc.

What’s in the box?

The box contains the water bottle and a charging cable.

A Closer Look

Final Thoughts

Everyone needs water to survive, and there are plenty of water bottles on the market that ensure the water in the bottle remains cool for a period time. The Waatr LYT bottle adds to that – it actually purifies the water in the bottle killing 99.99% of bio-contaminants.

There is a magnetic charging cable in the box that you connect to the LYT cap in order to charge it. Once charged you only need to ensure the purification function is enabled (you can also disable it to stop it using the battery when you are not using the bottle). The purification cycle happens automatically every hour.

When you fill up the bottle you can start the purification process by pressing the top twice and the blue light comes on. The process takes around 3 minutes to complete.

The process also keeps the bottle clean and odour free too!

I found the bottle easy to use (there really isn’t much to it!), it kept my water cool for a long period of time (to be fair I had drunk the contents and filled up way before the 12 hour limit to keep the water cool, but overnight it was very useful in keeping the water cool).

Taste wise I couldn’t notice any difference from drinking the water straight from the tap, but I felt reassured the purifier was making the water “safer”.

If you drink a lot of water and want a bottle to not only keep the water cool but to ensure its pure, then look no further than the LYT self-cleaning water purifier.

The Waatr LYT Self-Cleaning Water Purifier is available now from Zero Water with prices starting around £49.99. It also comes in a variety of colours too!

If you already have one of the many supported bottles you can just buy the LYT cap only to provide the waster purification function for around £29.99.

You can learn more from the Zero Water website.

Andrew Edney
Andrew Edney
I am the owner and editor of this site. I have been interested in gadgets and tech since I was a little kid. I have also written a number of books on various tech subjects. I also blog for The Huffington Post and for FHM. And I am honoured to be a Microsoft MVP since January 2008 - again this year as an Xbox MVP.

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