water containing high concentrations of calcium, magnesium, and/or iron.
cloudy conditions caused by suspended solids in a liquid.
an insoluble solid substance that has separated from a solution.
a processes for softening water in which hard water ions are exchanged for other ions.
bacteria feed on these substances, converting them into carbon dioxide, water, and other simple compounds.
adding chlorine in water treatment to kill harmful microorganisms.
soap that has water softeners in it.
allowing more dense materials to sink to the bottom of the tank and get seperated out.