Richard Goodwin wrote:
Which do you think works better for making EIS, DC that you have to switch polarity on every minute or so, or AC, assuming everything else is equal?

Dick
I have made thousands of gallons of both. HVAC is good for 3-5 ppm, but the particles get big quite quickly above that. LVDC with plarity switching makes very good up to 20 or even 25 ppm in some cases.

Marshall


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