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2. How to remove hard water deposits from your faucets and ... - AOL

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

   Calcium and magnesium are the main culprits when it comes to creating hard water. And in the U.S., it's almost impossible to avoid it, as hard water is present across 85 percent of the country ...

3. Calcium Lime Rust - Wikipedia

   en.wikipedia.org/wiki/Calcium_Lime_Rust

   Calcium deposits, primarily composed of calcium carbonate (CaCO 3), react with weak acids to form calcium salts that are soluble in water. The general reaction can be represented as follows: CaCO 3 + 2H + → Ca + 2 + CO 2 + H 2 O. Here, H + represents the hydrogen ions provided by the acid

4. The Best Rust Removers Keep Tools and Gear Shining

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   It’s safe to use on metal, brick, and stucco, along with all plumbing materials like copper and PVC plastic. In addition to removing rust, it can also be used to dissolve calcium and lime ...

5. 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

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

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

   The system will remove heavy minerals from the water supply as it enters the interior plumbing by adding a salt-based formula to create an ion exchange or by a template-assisted crystallization ...

7. Limescale - Wikipedia

   en.wikipedia.org/wiki/Limescale

   Descaling agents are commonly used to remove limescale. Prevention of fouling by scale build-up relies on the technologies of water softening or other water treatment. This column in the Bad Münstereifel church in Germany is made from the calcium carbonate deposits that built up in the Roman Eifel Aqueduct over several centuries of use.