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2. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes

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. 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.

5. Ion exchange - Wikipedia

   en.wikipedia.org/wiki/Ion_exchange

   Ion exchange is a method widely used in household filters to produce soft water for the benefit of laundry detergents, soaps, and water heaters. This is accomplished by exchanging divalent cations (such as calcium Ca 2+ and magnesium Mg 2+) with highly soluble monovalent cations (e.g., Na + or H +) (see water softening).

6. 37 Things You Should Stop Paying for ASAP - AOL

   www.aol.com/finance/37-things-stop-paying-asap...

   Skip the fabric softener as well as the dryer sheets. Reusable dryer balls are better for the environment and save money. Even vinegar (with some essential oil) makes fabric softer for less.

7. Household Products That Are a Complete Waste of Money

   www.aol.com/household-products-complete-waste...

   Bottled Water. Price: About $2 per 16.9 fl oz. bottle Is there a bigger waste of money than paying for bottled water? Consumers spend more than 800 times more for bottled water than plain old tap ...