It is my understanding that a water softener does not make the water taste "salty". The water is not softened by adding salt to it. The water is softened by a type of filteration that collects the mineral compounds (hardness) from the water. The salt is used to simply "flush" the the minerals from the filtering material, so that the "hardness" can continue to be collected.
I have had a little experience with water softeners in two 6-bay self-serve car washes. With proper "flushing" of the softener, the washing water was soft, but not salty.
One can find much more detailed info on how water softeners work in numerous web sites on the net.
FWIW!
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Robert
Robert and Carlene
2005 RE3, S/N 2107 (sold Jan. 2010)
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