Discover at the pleasure of drinking every day the best water, guaranteed pure and ideal for your well-being without plastic or transport

O25 offers unique and intelligent tap water purification solutions for homes, offices and communities. Much better than a simple filter, even more pure than in the bottle.

O25, low mineralised water from the tap or a shared fountain, guaranteed with a maximum of 25 mg/l of dry residue

The purity of drinking water purity of drinking water is measured by the amount of dry residues it contains, expressed in mg/l. Water with a low residue is healthier because it is better assimilated. It seems softer and lighter..

Low mineral water is highly recommended for babies and children, but it is also ideal for adults.

Rediscover the pleasure of drinking water.
More pure than simply filtered.
Zero plastic, zero transport

No more heavy and expensive water packages that take up space and fill dustbins. No more limescale, no more chlorine smell, no more variable taste of tap water.

O25Home is guaranteed access to pure, just like bottled water
at home, at any time, from €1.80 per day.

Discover our product

Rediscover the pleasure of drinking water.
More pure than simply filtered.
Zero plastic, zero transport

No more heavy and expensive water packages that take up space and fill dustbins. No more limescale, no more chlorine smell, no more variable taste of tap water.

O25Home is guaranteed access to pure, just like bottled water, at home, at any time
from €1.80 per day.

Discover our product

The only smart pure water fountain that will delight your local community.
Zero plastic, zero transportation

Be one of the pioneers in adopting this innovative technology!

Discover the pure water bar

The only smart pure water fountain that will delight your local community.
Zero plastic, zero transportation

Be one of the pioneers in adopting this innovative technology!

Discover the pure water bar

O25 is committed to our children

Our commitment for the future is to increase and facilitate access to guaranteed pure
drinking water for the younger generation.

How do we do this? We install free or low-cost drinking fountains in schools in cooperation with companies or individuals who want to contribute.

This initiative is in line with the priorities of accessibility to healthy and local food that respects the environment.

O25 is committed to our children

Our commitment for the future is to increase and facilitate access to guaranteed pure drinking water for the younger generation.

How do we do this? We install free or low-cost drinking fountains in schools in cooperation with companies or individuals who want to contribute.

This initiative is in line with the priorities of accessibility to healthy and local food that respects the environment.

News

14 December 2021

Petite fille regardant un verre d'eau à la loupe

What is pure water?

You pour yourself a glass tap water or from a bottle and add nothing to it. You may think it's pure water. But it's not.

13 December 2021

L'astronaute Christina Koch derrière une bulle d'eau flottante à bord de l'ISS

How does reverse osmosis work?

Reverse osmosis is a system for purifying water with a very fine filtering system that allows practically only water molecules to pass through. To date, it is the only ideal process for effectively purifying your tap water for consumption. It is not a coincidence that NASA is currently using it on board the ISS!

10 December 2021

Is osmosis water too pure?

Mineralisation of water is a controversial topic. Some people claim that minerals are waste products which must be eliminated by the body. Others believe that water with too few minerals causes deficiencies. Let’s have a closer look at the origin of these opposing points of view.

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