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2. 3 Methods For Removing Hard Water Stains From Glass - AOL

   www.aol.com/3-methods-removing-hard-water...

   To tackle hard water spots, you'll need a low pH cleaner (low pH = high acid!) that can get in there and do your dirty work. Related: How To Know If You Have Hard Water, According To Experts ...

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

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

   Hard water is a fact of life across most of the U.S. Learn how to remove hard water stains and build-up in your home. ... Homemade cleaners: Ditch harsh ingredients to clean your home.

4. 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.

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 a Shower Head (And Why You Really Need To) - AOL

   www.aol.com/lifestyle/clean-shower-head-why...

   Wait approximately one hour to let the vinegar eat away at any hard-water deposits or calcium buildups. While you’re waiting, learn how to clean the dirtiest items in your home .

7. 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.