The deposits your speaking of is surface deposits, I was speaking to build up inside of pipes.
surface deposits which can be wiped clean with CLR 2-3 times a year and be gone, no need for a water softener.
But to answer your question
Salt based water softeners use an electronic metered valve mounted atop a fiberglass resin tank that meter water by the gallon and then run a cleaning cycle when the ion resin bed reaches a saturation point. During the cleaning cycle, the electronic valve cycles a series of back flushes to purge the hardness particulates that have been captured from the system and flush them down a drain line. The sodium is also replenished in the resin bed during the cycle and all is ready to go again.
salt free
In the process above (true water softening), hardness minerals are actually removed from the water. In the salt-free process minerals are retained in the water, but their form is changed so they will not adhere to surfaces.
Water is processed through a catalytic media using a physical process called Template Assisted Crystallization (TAC). What happens is the hardness minerals are converted to a hardness crystal that is not able to bind to surfaces. This is actually water conditioning, not softening.
does that answer your question?
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