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I thought I had learned that the calcium would leach out of the limestone and 
into the water.  Is that only under certain conditions, or totally wrong?

Thanks,

Rosalie Marley
==============
I have the ability of single-minded determination and focu... Hey, look! A 
horse!


> -----Original Message-----
> From: ranch@xxxxxxxxxxx
>
> > "...cement/concrete block in the water ..."
> Nope.  Concrete is made from Limestone, Alumina and a few other ordinary
> rocks.  Much of Municipal water purification systems are made from
> concrete.
>
> Ed
> Ed & Wendy Hauser
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