Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums General Petroliana Discussion electrolysis rust removal ... on porcelain?

are those Argentine signs even actual porcelain?

I'll try it on a beater porcelain sign that I once picked up for $15, once my first experiment (on an embossed route marker) concludes.

I've got my electrolytic bath hooked up to the solar panels on the roof ... and it's cloudy today. Damn!