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  2. Alkali–silica reaction - Wikipedia

    en.wikipedia.org/wiki/Alkali–silica_reaction

    The water diffusion time is thus proportional to the square of its transport distance. As a consequence, the water saturation degree inside thick concrete structures often remains higher than 80%, a level sufficient to provide enough water to the system and to maintain the alkali-silica reaction on going.

  3. 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

  4. Water damage - Wikipedia

    en.wikipedia.org/wiki/Water_damage

    Water damage can originate by different sources such as a broken dishwasher hose, a washing machine overflow, a dishwasher leakage, broken/leaking pipes, flood waters, groundwater seepage, building envelope failures (leaking roof, windows, doors, siding, etc.) and clogged toilets.

  5. Iowa residents plagued by nasty pink tap water: ‘Like you are ...

    www.aol.com/news/iowa-residents-plagued-nasty...

    An issue with the city’s water pumps caused an excess of potassium permanganate to penetrate the system, turning the water bright pink and unsafe to consume.

  6. Concrete degradation - Wikipedia

    en.wikipedia.org/wiki/Concrete_degradation

    When atmospheric carbon dioxide (CO 2), or carbonate ions (HCO − 3, CO 2− 3 dissolved in water) diffuse into concrete from its external surface, they react with calcium hydroxide (portlandite, Ca(OH) 2) and the pH of the concrete pore water progressively decreases from 13.5 – 12.5 to 8.5 (pH of water in equilibrium with calcite).

  7. Calgon - Wikipedia

    en.wikipedia.org/wiki/Calgon

    In 2013, private equity firm Yellow Wood acquired Ilex Consumer Products Group; Calgon is now part of their portfolio company, PDC Brands. [4] [5] Calgon Carbon Corporation, acquired by its management in a leveraged buyout in 1985 and taken public in 1987. Calgon Water Management, sold to English China Clays in June 1993 for $307.5 million. [6]

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