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Reverse Osmosis and Ultra Violet filtration are the most common technologies used in water purifiers available in the market today. While it is assumed that RO water purifiers offer better water filtration than UV water purifiers, the truth is a little different.
With this post we hope to answer the big question faced by every first-time buyer – how to choose a water purifier for my home?
Quick Tip: If your locality’s water supply has more ions and Total Dissolved Solids, then buy an RO water purifier. On the other hand, if the mineral content in your water supply is low, then buy a UV purifier.
Now to the difference between RO and UV purifiers,
RO Water Purifier |
UV Water Purifier | |
| Technology | Water is purified by reversing the scientific principle of osmosis. Tap water is forced through an osmotic membrane with microscopic pores. Inorganic impurities like dissolved solids are removed but bacterial elements might be retained due to their molecular size. | Ultra Violet rays, which are harmful for life forms on Earth, are used for destroying germs and microbes present in the water. The dead cells of these germs and microbes are then filtered by a UF filter. |
| Power Consumption | Water purifiers are typically power efficient devices and use one unit of electricity in every 40-50 hours. There is no significant difference between power consumed by RO water purifiers and UV water purifiers. | |
| Family Size | Normally, an RO water purifier is ideal for use by a family of 2 adults and 2 children. | UV water purifiers can be used by a family of up to 5 members. |
| Price and Maintenance Cost | Since an RO water purifier can comprise of several additional filters and accessories like pre-filter, it is usually priced higher than UV water purifiers. The maintenance cost of RO purifiers is also higher in that proportion. | In relation to RO purifiers, UV water purifiers cost less and generally require a replacement of the UV bulb once in a while for maintaining efficiency. Thus, the maintenance costs are also lower than RO purifiers. |
Concluding thoughts
UV water purifiers offer protection from bacteria and viruses, which is a major concern for homes with children and elderly members – as they have lower immunity levels. UV water purifiers also come with Ultra-Fine filtration for removing low to moderate amounts of TDS. Lastly, they are cheaper than RO purifiers and have lower maintenance costs.
Benefit of UV Water Purifiers
Water purifiers today have become an essential home product for maintaining the health of a household. Since it is a product that can last up to 10 years, it is prudent to invest in a good water purifier instead of falling for lower priced alternatives. Smart home brands like Livpure have combined the various water filtration technologies to create unique products like RO+UV+UF water purifiers. These devices can remove over 99 percent of the impurities present in a water source. So, if you are thinking of buying a water purifier, instead of going for a specific technology, it is better to invest in a technology that offers total cover for your loved ones.
