Drinking water and treatment
Drinking Water Filters in Homes: Buyers Guide - Which Ones Are Best?
...Reverse osmosis: high-purity water for homes
When source water contains dissolved solids or heavy metals that carbon cannot catch, reverse osmosis (RO) is the industry standard. An RO system works by using high pressure to force water through a semi-permeable membrane. This membrane has pores so small (0.0001 microns) ...
