The use of water purification equipment in households is unnecessary in areas where water is supplied by the municipal water companies and approved by the health authorities, said Gholamreza Shaqaqi, head of the Institute of Water Health Research, Ministry of Health. Some water treatment devices remove minerals which are beneficial to health. Lack of proper maintenance can increase microbes in the devices, IRNA quoted him as saying. Marketers also electrolyze household drinking water pipelines with commercial electrodes (made of steel and aluminum). Water minerals become green when they are exposed to steel and aluminum electrodes and marketers falsely claim that the device has removed sludge, he added.
