kunar
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8.place Stainless Steel Rod In Bucket Making Sure It Does Not Touch The Rusty Metal Part.
from http://antique-engines.com/electrol.asp
Sacrificial electrodes. Concrete reinforcing rod works well (rebar) cut into lengths about 4" taller than your bucket or container. Do not use stainless steel! The results are a health hazard and illegal (more on that later)