India, Feb. 28 -- UV water purifiers use ultraviolet light to kill bacteria, viruses, and other microorganisms, making water safer to drink. They are particularly useful for water sourced from rivers, ponds (pokhars), and wells, which may contain harmful pathogens. Even municipal supply water can get contaminated due to sewage leaks, waste, or microbial growth, making purification essential.

However, UV technology does not remove dissolved solids, heavy metals, or chemical pollutants found in borewell water or industrial and agricultural runoff-RO filtration is better for that. The good news is that many modern purifiers combine UV and RO for complete protection. We've selected some of the best options available on Amazon-check them out ...