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Anode to Cathode ratio requirement for Phosphoric anodizing type III

Is the ratio 3:1 or 1:3?

What do you add to the Phosphoric and D.I water to make it more conductive?
I have two tanks.
One uses lead cathode and the other tank has 316L stainless steel for cathodes?
Running at 15.0 VDC my solution voltage should not drop more then 1 VDC

Ron Tautic
Employee - Enfield, Connecticut
April 11, 2011

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