Hard water is a common quality of water which contains dissolved compounds of calcium and magnesium and, sometimes, other divalent and...

Water quality is something that almost all of us take for granted. We turn on the shower or faucet, and expect to feel clean, fresh,...

Sometimes shortened to the acronym RO, these systems force water, under pressure, into a module that contains a semipermeable membrane...

Hardness minerals – calcium and magnesium – are in plentiful supply. While they are not found in their elemental form in the earth, they...