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RO vs UV water purifier. Know the difference
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RO vs UV water purifier. Know the difference

RO (Reverse Osmosis) and UV (Ultra Violet) water purifiers are the most common purifiers around the world. In this article, we will try and clear a few basic doubts regarding RO and UV purifiers.

We are all faced with a dilemma when it comes to choosing a water purifier. Let us help you make an informed decision. Read this article and choose wisely.


This technology eliminates the solids dissolved in water. It has a membrane which filters contaminants, such as chemicals and bacteria thereby purifying water.

The system moves the molecules using the pressure difference of incoming water across the membrane and leaves the impurities behind.

It works on low maintenance cost.

Electricity consumption is negligible


In a UV-based purifier, the microbes are destroyed by the UV rays after the water has passed the RO stage.

Water is exposed to UV rays that penetrate the cells of the bacteria and destroys their ability to reproduce.

UV lamps require annual replacement.

The UV unit uses the same amount of energy as a 60W light bulb which makes it affordable.

Compare and pick your purifier

Top Tip

RO and UV water purifiers even help eradicate pathogens that cause allergies and carcinogenic diseases.