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Copy Cad going well for over a year then major problems...need help.

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  • Copy Cad going well for over a year then major problems...need help.

    After a year + of success plating everything from carburetors to bolts in my 10 gal. tank, Copy Cad system started to plate with a brown/ black tarnish that comes off with rubbing compound. It really screws up blue chromate....turns it gold. I filtered all the electrolyte with activated charcoal. Then I added new brightener, (1 tsp./ 1.5 gal electrolyte). Now it is even worse then before filtering. The system barely plates anything....only where the electrolyte coming out of the pump at high velocity directly hits the part, (cathode). I spoke with Caswell today and the gentleman told me to do the filtering, replace brightener, and check Ph. I'm now just waiting for the Ph tester go get here. Like I said before, for over a year I've done everything by the book and had great success...now this! Does anyone have any other suggestions?
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