My question is: Do these ppm meters measure both
colloidal (particulate) and also ionic silver content?

I had a sample of some silver tested once by Bob
Berger, who reported 12.3 ppm. I had the same CS
tested by a local laboratory that is paid to do
industrial testing, and they found it to be 5 ppm.  I
asked Bob about this, and he said they only tested
particulate, not ionic.

Any thoughts on this?


                
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