On Tue, 24 Jan 2006 17:56:41 GMT, (Cue)
wrote:

There are types of water softeners that do not add sodium to the
water. Alternatively, if the ion-exchanger type of water softener is
regenerated using potassium chloride, instead of sodium chloride, then
potassium would be added to the water instead of sodium as the water
was softened. However, in some patients with renal or cardiac disease,
diabetes or high blood pressure, there can also be complications due
to increased potassium intake so this should only be performed in
consultation with your physician.

Yes, this needed to be said. High potassium levels can be very bad. K+
and Na+ regulate muscle contraction and relaxation. This includes
cardiac muscle.

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