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  2. This Common Water Problem Might Be Making Your Home Dirtier - AOL

    www.aol.com/common-water-problem-might-making...

    The long-term solution for hard water problems is to add a water-softening system to your home. The system will remove heavy minerals from the water supply as it enters the interior plumbing by ...

  3. Backwashing (water treatment) - Wikipedia

    en.wikipedia.org/wiki/Backwashing_(water_treatment)

    As a water conservation measure, many water purification plants recycle filter backwash water and other product streams from sludge treatment processes back to the beginning of the plant. [4]: 22.40–22.43 [5]: 242–3 On June 8, 2001, the USEPA released a final regulation governing acceptable practices for recycling backwash water. [10]

  4. 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

  5. Waterborne disease - Wikipedia

    en.wikipedia.org/wiki/Waterborne_disease

    While diarrhea and vomiting are the most commonly reported symptoms of waterborne illness, other symptoms can include skin, ear, respiratory, or eye problems. [3] Lack of clean water supply, sanitation and hygiene (WASH) are major causes for the spread of waterborne diseases in a community.

  6. Sand filter - Wikipedia

    en.wikipedia.org/wiki/Sand_filter

    When pressure drop increases above 10 psi, a backwash operation ins needed, which consist of reversing the flow (water goes upwards) in order to remove the particles trapped in the filtering media, and this will exit from the top of the filter with the backwash water. Common for the backwash is around 3 times the normal filtering flux (must be ...

  7. Water damage - Wikipedia

    en.wikipedia.org/wiki/Water_damage

    Water damage describes various possible losses caused by water intruding where it will enable attack of a material or system by destructive processes such as rotting of wood, mold growth, bacteria growth, rusting of steel, swelling of composite woods, de-laminating of materials such as plywood, short-circuiting of electrical devices, etc.

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