Rock, soft water would have no ill effects on plants. The hardness ions(calcium, magnesium, iron, manganese) are simply replaced by sodium ions. Salt(sodium chloride)would be bad for the plants in high concentrations is used to regenerate the zeolite. but maybe I'm telling you something you already know.

Those who would disrespect our flag have never been handed a folded one.

Men never do evil so completely and cheerfully as when they do it from religious conviction.

When in the Course of human events......