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  2. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes

  3. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Complete removal of ions from water is possible if the right conditions are met. The water is normally pre-treated with a reverse osmosis unit to remove non-ionic organic contaminants, and with gas transfer membranes to remove carbon dioxide. A water recovery of 99% is possible if the concentrate stream is fed to the RO inlet.

  4. Menards - Wikipedia

    en.wikipedia.org/wiki/Menards

    Menard, Inc., doing business as Menards, (/ m ə ˈ n ɑːr d z / mə-NARDZ) is an American big-box home improvement retail chain headquartered in Eau Claire, Wisconsin.It is the third-largest home improvement retailer in the United States (behind Lowe's and Home Depot), with 351 stores in 15 U.S. states, primarily in the Midwest. [1]

  5. Softener - Wikipedia

    en.wikipedia.org/wiki/Softener

    Softener may refer to: Fabric softener , a conditioner that is typically applied to laundry during the rinse cycle in a washing machine. Stool softener , anionic surfactants that enable additional water and fats to be incorporated in the stool, making it easier for them to move through the gastrointestinal tract.

  6. Solar water heating - Wikipedia

    en.wikipedia.org/wiki/Solar_water_heating

    When a solar water heating and hot-water central heating system are used together, solar heat will either be concentrated in a pre-heating tank that feeds into the tank heated by the central heating, or the solar heat exchanger will replace the lower heating element and the upper element will remain to provide for supplemental heat. However ...

  7. Water supply and sanitation in Saudi Arabia - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    The Saudi water sector, like the entire country, has undergone tremendous changes over the past decades from a system based on the use of local renewable water resources for small-scale irrigation and limited domestic uses to a system largely based on the use of desalinated water and fossil groundwater for large-scale irrigation and domestic ...