On Thu, 17 May 2012 16:12:03 -0700, Dottie wrote:

So do be careful -- don't get taken advantage of.

I am. That's why I'm asking you guys and gals!

I do know the water is hard as I can see the white stuff on the bottom of
the kettle after about a week of daily coffee making.

I can also see the white stuff in the garden hose:
http://www5.picturepush.com/photo/a/...40/8281448.jpg

So, I can 'assume' what's in the pipes and in the water heaters ...