| 11. | We live in a rural area where well water runs through a water softener.
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| 12. | Hardware and plumbing supply stores sell ion exchange water softeners.
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| 13. | Specifications for pre-rinse spray valves and water softeners are under development as of 2011.
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| 14. | The water softener was installed in 1979, and the family has kept up the maintenance.
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| 15. | If you use a mechanical water softener in your home, you should use less detergent.
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| 16. | They said water softeners ordinarily work well all the time or poorly all the time.
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| 17. | "' Calgon "'is a brand registered trademark of water softener, and bath and beauty products.
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| 18. | The same is true for a built-in water softener.
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| 19. | In the home, the most common treatment is to install an ion exchange water softener.
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| 20. | Benckiser is best known for its Calgon water softener.
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