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

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

   Watch the video to learn how to remove hard water stains and build-up from faucets and shower heads. What is hard water? Hard water refers to water that contains a high amount of minerals.

3. 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.

4. Descaling agent - Wikipedia

   en.wikipedia.org/wiki/Descaling_agent

   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. Limescale is either white or brown in colour due to the presence of iron compounds. Glass surfaces may also exhibit scaling stains, as can many ceramic ...

5. 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 .

6. How to Remove Hairspray Buildup from Every Surface in Your ...

   www.aol.com/remove-hairspray-buildup-every...

   To remove buildup from these countertop surfaces, mix a solution of ¼ cup of rubbing alcohol, a couple of drops of dish soap, and 12 ounces of water. Spray onto the surface and wipe with a cloth ...

7. Lime softening - Wikipedia

   en.wikipedia.org/wiki/Lime_softening

   Lime softening (also known as lime buttering, lime-soda treatment, or Clark's process) [1] is a type of water treatment used for water softening, which uses the addition of limewater (calcium hydroxide) to remove hardness (deposits of calcium and magnesium salts) by precipitation.