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

   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. Your grout is gross! Here's how to clean it properly - AOL

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   Cleaning your bathroom grout is a dirty job, but someone has to do it. Learn the best way to get your bathroom grout clean.

4. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   The surface of human skin has a light charge that the soap tends to bind with, requiring more effort and a greater volume of water to remove. [4] Hard water contains calcium or magnesium ions that form insoluble salts upon reacting with soap, leaving a coating of insoluble stearates on tub and shower surfaces, commonly called soap scum. [4] [5]

5. 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

6. How to clean grout, according to experts - AOL

   www.aol.com/news/clean-grout-according-experts...

   Finally, consider using a grout sealer, such as a Grout Pen White Tile Paint Marker, to coat the clean grout. NBC Select editor Nikki Brown used the Zep grout cleaner to clean between the tiles in ...

7. Lime softening - Wikipedia

   en.wikipedia.org/wiki/Lime_softening

   Lime softening produces large volumes of a mixture of calcium carbonate and magnesium hydroxide in a very finely divided white precipitate which may also contain some organic matter flocculated out of the raw water. Processing or disposal of this sludge material may be an additional cost to the process. Drying and re-calcining the waste allows ...