First of all, you ​analyse ...

First of all, you ​analyse water for detail analysis for heavy metals bacteria, Hardness & total Coliform. You can use cheap Solar Water system, that is approved by TUV for producing mineral drinking water. For pathogenic microorganism’s chlorine, chlorine dioxide, and ozone are used. Chlorine tablets are also used. physical disinfectants include ultraviolet light, electronic radiation, and heat are also used.