Frank Key's wonderful contributions to this list have included his
statement that he believes home-made EIS contains both ionic and
particulate silver, mostly the former, and that it is effective.
That's the key point.
The gentleman has a product for sale, but is quite direct and honest
Dear Arnold:
I clicked on your link and I think you did a terrific job with all the
pictures and details. Congratulation! Including the 33 K ohm resistor is
very important in my opinion.
The $29.99 is a really great price. But you have included enough
information that any technical person can
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