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<p>[QUOTE=&quot;-jeffB, post: 26197674, member: 27832&quot;]The thing about plating removal is that copper&#039;s so much <i>less</i> reactive than zinc. Harder, too. So almost anything that dissolves or removes copper will dissolve or remove zinc <i>faster</i>.</p><p><br /></p><p>I&#039;m not sure how an electrolytic process could do any better.</p><p><br /></p><p>I&#039;m aware of two chemical approaches. One involves cyanide, which is hard to get for obvious reasons. (I fuss a lot about access to chemicals being restricted, but not this one.) The other involves calcium polysulfide, which is easy to make, but stinks to high heaven. I might try the latter, but only when/if I can make it outdoors...[/QUOTE]</p><p><br /></p>

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