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2. Dealkalization of water - Wikipedia

   en.wikipedia.org/wiki/Dealkalization_of_water

   Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners. Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated salt solution - NaCl. In the case of a water softener, the cation exchange resin is exchanging sodium (the Na + ion of NaCl) for hardness minerals such as ...

3. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Minerals containing calcium and magnesium form soluble bicarbonates when exposed to carbonic acid. 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.

4. The 12 Best Water Softeners of 2022 - AOL

   www.aol.com/lifestyle/remove-damage-causing...

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5. EPA WaterSense - Wikipedia

   en.wikipedia.org/wiki/EPA_WaterSense

   Specifications for pre-rinse spray valves and water softeners started development as of 2011. [8] [9] In June 2014, WaterSense began the certification of homes, designed to use 20% less water than standard new construction, as well as the accreditation of irrigation professionals for the installation, maintenance, design and auditing of systems ...

6. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   [example needed] A typical backflow assembly has test cocks and shut-off valves, and must be tested when installed, if relocated or repaired, and also on a periodic basis. [citation needed] In the US, the Environmental Protection Agency (EPA) holds local water suppliers responsible for maintaining a certain amount of purity in potable water ...

7. Talk:Water softening - Wikipedia

   en.wikipedia.org/wiki/Talk:Water_softening

   Here's a bunch of soft water softener salt for sale at an American hardware store. – Novem Linguae 22:49, 7 April 2023 (UTC) Yes, but what that does is to regenerate the ion exchange resins. Over time the ion exchange resins in water softeners become saturated with Calcium ions and the softener ceases to function.