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  2. Limescale - Wikipedia

    en.wikipedia.org/wiki/Limescale

    Limescale build-up inside a pipe reduces both liquid flow through the pipe and thermal conduction from the liquid to the outer pipe shell. Both effects will reduce the pipe's overall thermal efficiency when used as a heat exchanger. Limescale is a hard, chalky deposit, consisting mainly of calcium carbonate (CaCO 3).

  3. Descaling agent - Wikipedia

    en.wikipedia.org/wiki/Descaling_agent

    Limescale build-up inside a pipe reduces both liquid flow and thermal conduction from the pipe, so will reduce thermal efficiency when used as a heat exchanger. A descaling agent or chemical descaler is a liquid chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles.

  4. Portland stone - Wikipedia

    en.wikipedia.org/wiki/Portland_stone

    The process of limescale build up in a kettle in hard-water areas is similar. Calcium carbonate is the principal constituent of most limestones. Billions of minute crystals of precipitated calcium carbonate (called calcite) accumulated forming lime mud (called micrite) which covered the sea floor.

  5. This Is How Often You Need to Clean Your Sink to Avoid ...

    www.aol.com/lifestyle/often-clean-sink-avoid...

    “Weekly cleaning of your sink will not only prevent health hazards like bacteria but will also keep your sink looking aesthetically pleasing by preventing hard water stains or limescale buildup ...

  6. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    Limescale buildup in a PVC pipe. The presence of certain metal ions like calcium and magnesium, principally as bicarbonates, chlorides, and sulfates, in water causes a variety of problems. [1] Hard water leads to the buildup of limescale, which can foul plumbing, and promote galvanic corrosion. [2]

  7. ‘Like going to the moon’: Why this is the world’s most ...

    www.aol.com/going-moon-why-world-most-120326810.html

    At around 600 miles wide and up to 6,000 meters (nearly four miles) deep, the Drake is objectively a vast body of water. ... “There’s an extraordinary level of safety in the build of those ...