Reverse osmosis (RO) is a type of water filtration system that forces water through a thin, semipermeable membrane or filter to remove impurities. In homes with RO water systems, water is pumped ...

Forbes contributors publish independent expert analyses and insights. Reporting from Europe, Jeff McMahon covers the environment. The Environmental Protection Agency recommends reverse osmosis water ...

Reverse osmosis countertop systems remove bacteria, heavy metals, pesticides, chlorine byproducts, microplastics, lead, arsenic and fluoride from tap water.