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Question DetailsAsked on 1/23/2014

Will a salt-free water softener prevent buildup in hot water tanks

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2 Answers


As long as the softener is effective at removing the mineral content, it should lessen the build up in the tank.

Whether by salt or by resin, if the mineral content is removed, it will keep the scaling and build up down.

Answered 6 years ago by WoWHomeSolutions


Only if it removes the material causing the buildups - silt, lime, iron, sulfides, algae, etc, and of course the water softener has to soften the hot water inlet line. Some older houses they are installed only on cold water for drinkability and cooking, not on all incoming water to prevent narrowing of the water lines and "hard" water for dish and clothes washing and showers/baths - so be sure to correct this if your case.

Generally speaking , if you have hard water and significant deposits forming in your lines and tanks, a salt or equivalent resin based system is commonly the cheapest effective means. For more input, click on the Home > Water Treatment link under your question for previous questions on water softening.

And don't forget - if you are worried about salt consumption, commonly the cheapest solution is a salt system for whole-house treatment, then either bottled water for drinking/cooking, or a dedicated low-volume reverse osmosis system just for the kitchen sink and reefer water line to remove the salt there, and bottled water/home filled drink bottles for drinking elsewhere in the house.

Answered 6 years ago by LCD

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