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Discolored Titanium Anode

I have an anode in the Rhodium tank that is darkened. The bath had gone dark and slightly greenish. I was out and had them change the bath. I didn’t know the anode was compromised. That was a few weeks ago. Today I saw the bath was discolored again. When I pulled the anode out to look at it, I saw that it is badly discolored. My guess is that something has happened to the anode and that has caused contamination in the bath. It could be the anode is just too old and the platinizing is gone. I’ve been working on a new anode build to test. (I’m not about to replace the bath while the current anode is in place.)

Has anyone seen this happen before?

Thanks,

Ruthanne Robertson
Bench Jeweler Team Lead
Legacy Touch, Inc.