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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. Water ...

3. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Water containing these minerals is known as "hard water". [citation needed] When hard water is heated in a plumbing system, carbon dioxide goes out of solution, and bicarbonates become carbonates, which are much less soluble. The carbonates bind to plumbing surfaces providing seed crystals for further crystal growth, which build up as hard scale.

4. Limescale - Wikipedia

   en.wikipedia.org/wiki/Limescale

   In addition to being unsightly and hard to clean, limescale can seriously damage or impair the operation of various plumbing and heating components. [1] 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.

5. 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.

6. Save Your Hair from Hard Water Damage With These Shampoos - AOL

   www.aol.com/lifestyle/save-hair-hard-water...

   Amazon customers wax poetic about this clarifying, color-safe shampoo, which is designed to remove up to 99% of dulling deposits from hard water, chlorinated pools, and styling products. It uses ...

7. Hard water - Wikipedia

   en.wikipedia.org/wiki/Hard_water

   A bathtub faucet with built-up calcification from hard water in Southern Arizona. Hard water is water that has a high mineral content (in contrast with "soft water"). Hard water is formed when water percolates through deposits of limestone, chalk or gypsum, [1] which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates.