This time, my focus is on a cheap TDS meter. TDS meters are small hand-held devices used to indicate the Total Dissolved Solids in a solution, usually water. Since dissolved ionized solids (such as ...

Dr Suresh Sisodia is Senior Vice President at Havells India Ltd. It is a well-known fact that the water supply that reaches our home is contaminated with different types of hazardous materials which ...

A water purifier under ₹5,000 offers basic filtration to remove impurities and improve taste. Gravity-based and UV models are common, needing no electricity or low power. Ideal for areas with low TDS ...