Ask what difference filters and water purifier, I live in the suburbs, where there are more factories, water is not good to drink. What kind of match is used for the family?
Water purification machine, commonly used ultrafiltration and RO two, as you say these circumstances, that water sources are subject to industrial pollution, it is recommended to use RO machine water purifier
The second question, trace elements, in addition to drinking water, eating will also have ah, little impact on the body. If the trace element is used, the pollutant is also drunk into the body
Cold water is the best. If you wash vegetables and fruits, then this is not a problem, and that will do
