Enlighten me- if you are starting with tap water, it will test "x" number of 
ppm before you make the IS. Then you test it after production and you can't 
really know the ppm silver you have, can you? Is it your final ppm no. Minus 
the ppm you started with. 
And- aren't you concerned about what is in that water that can be combining 
with your silver?  
I use the silver gen from www.silverlung.com. I think their literature on line 
was very well done. Anyone familiar with them?  
Theresa

Sent from my iPhone

> On Feb 20, 2015, at 8:54 AM, Debra & David <[email protected]> wrote:
> 
> meter)"


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