On Sat, 29 Oct 2011 18:32:13 -0700 (PDT), Higgs Boson
wrote:

**You got a lot of advice about softening the water. Be aware that if
the pipes in the house are old, and coated with deposits from hard
water, "shocking" them with water softener could damage the pipes;
cause leaks, etc.

Got a link for that information. How exactly would soft water _shock_
the pipe, causing _leaks_? I'm interested...