Should we install RO or UV at home? 🤔💧 Look — RO (Reverse Osmosis) is needed when the water is hard or its TDS is above 300–400 (like borewell or underground water). It removes heavy metals, salts, fluoride, and impurities — but it also strips away some important minerals. 💊 UV (Ultraviolet) is enough when the water is already clean and TDS is below 200–300 (like municipal or tank water). It kills bacteria, viruses, and germs — while keeping minerals safe. In simple words, UV does the same jo