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2. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   The waste waters eluted from the ion-exchange column containing the unwanted calcium and magnesium salts are typically discharged to the sewage system. [3] Recharge typically takes the following steps: [10] Backwash: Water is directed through the resin in the direction opposite to that of normal flow, and the output is sent to a drain for disposal.

3. 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 ...

4. Talk:Water softening - Wikipedia

   en.wikipedia.org/wiki/Talk:Water_softening

   You are correct, this is definitely not a water softener. It is a standard filter housing with plumbing that could be attached to a softener. — Preceding unsigned comment added by 68.42.182.200 17:52, 5 February 2013 (UTC) Nope. There are salt-free water softeners like this. Just google and you'll see.

5. Ion exchange - Wikipedia

   en.wikipedia.org/wiki/Ion_exchange

   Water softeners are usually regenerated with brine containing 10% sodium chloride. [7] Aside from the soluble chloride salts of divalent cations removed from the softened water, softener regeneration wastewater contains the unused 50–70% of the sodium chloride regeneration flushing brine required to reverse ion-exchange resin equilibria.

6. Total dissolved solids - Wikipedia

   en.wikipedia.org/wiki/Total_dissolved_solids

   When measuring water treated with water softeners, high levels of total dissolved solids do not correlate to hard water, as water softeners do not reduce TDS; rather, they replace magnesium and calcium ions, which cause hard water, with an equal charge of sodium or potassium ions, e.g. Ca 2+ ⇌ 2 Na +, leaving overall TDS unchanged [9] or even ...

7. Here Are All The Chemical-Free Sparkling Water Brands - AOL

   www.aol.com/chemical-free-sparkling-water-brands...

   Aura Bora. The sparkling water-heads that we are, new brands are always making it into our rotation, and Aura Bora is a stand-out. Their sparkling waters are filtered with reverse-osmosis (key to ...