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  2. Laundry wastewater - Wikipedia

    en.wikipedia.org/wiki/Laundry_wastewater

    Builders in detergents are water softeners, which can remove calcium and magnesium ions by complexation or precipitation in hard water which contains high levels of calcium and magnesium. Sodium triphosphate, with a formula of Na 5 P 3 O 10, is a largely used builder in laundry detergents, which can lead to eutrophication caused by phosphorus ...

  3. Hard water - Wikipedia

    en.wikipedia.org/wiki/Hard_water

    A bathtub faucet with built-up calcification from hard water in Southern Arizona. Hard water is water that has a high mineral content (in contrast with "soft water"). Hard water is formed when water percolates through deposits of limestone, chalk or gypsum, [1] which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates.

  4. Soap scum - Wikipedia

    en.wikipedia.org/wiki/Soap_scum

    Hard water contains calcium and magnesium ions, which react with the surfactant anion to give these metallic or lime soaps. [1] 2 C 17 H 35 COO − Na + + Ca 2+ → (C 17 H 35 COO) 2 Ca + 2 Na + In this reaction, the sodium cation in soap is replaced by calcium to form calcium stearate. Lime soaps build deposits on fibres, washing machines, and ...

  5. How to remove hard water deposits from your faucets and shower

    www.aol.com/remove-hard-water-deposits-faucets...

    Hard water refers to water that contains a high amount of minerals. Water picks up impurities very easily as it moves through the rock and soil. Calcium and magnesium are the main culprits when it ...

  6. The 7 Best Laundry Detergents for Hard Water - AOL

    www.aol.com/entertainment/7-best-laundry...

    First up on our list of the 7 best laundry detergent for hard water is Loni Bio Laundry Detergent. This fragrance free option comes in a 75 washer load option that uses natural ingredients and ...

  7. Raw Sewage in Your Apartment: Repairs Your Landlord Can't Ignore

    www.aol.com/news/2013-01-22-raw-sewage-landlord...

    "My bathroom is just full of everybody's feces. The tub, filled with feces. There's mildew, mold coming down the wall," Shepherd said. Shepherd (pictured below) lives in the apartment with her ...

  8. Failures of water supply and sanitation systems - Wikipedia

    en.wikipedia.org/wiki/Failures_of_water_supply...

    Destroyed water supply pipes in Kariba, Zimbabwe. Failures of water supply and sanitation systems describe situations where water supply and sanitation systems (also called WASH systems) have been put in place (for example by the government or by non-government organizations (NGOs) but have failed to meet the expected outcomes.

  9. Here's How Often You Should Drain Your Water Heater ... - AOL

    www.aol.com/heres-often-drain-water-heater...

    Step 3: Attach a water hose to the drain valve at the bottom of your water heater and run the hose outside or into a nearby drain. You can use any generic hose for this step, and a garden hose ...

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