On Mon, 07 Jun 2010 01:54:32 GMT, (Doug Miller)
wrote:

In article , Oren wrote:
On Mon, 07 Jun 2010 00:27:16 GMT, (Doug Miller)
wrote:

In article , Oren
wrote:

I have the hardest water in the nation.

Where?

Las Vegas.

This is a ring around Lake Mead: (pic)

http://www.foxnews.com/images/344542..._mead_ring.jpg

Holy crap!! What IS that?

Low water and leaching calcium. It forms in the rock faces.

Causing the ring.