New Delhi, Jan. 2 -- Water purifiers often get judged by filtration stages and purification technologies. RO membranes, UV lamps, and carbon filters dominate discussions. Storage tanks, however, quietly influence water quality every single day. Once water passes through purification, it sits in the storage tank until used. During this time, tank material interacts with water constantly. Poor materials can allow bacterial growth, odour formation, or chemical leaching.

Unlike flowing water systems, stored water remains stagnant for hours. This environment magnifies hygiene risks if the tank material is unsuitable. Scratches, porous surfaces, or reactive plastics create breeding grounds for microbes.

Water purifier storage tanks are common...