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Silver Lightning

DIY - Silver Lightning™ cleans silver via electrochemical reaction

OK, this is off-topic but what the heck - it's interesting (to me, anyway).

I've seen commercial advertisements for the Silver Lightning™ Tarnish Remover Tray
on various television shows, The product demonstration shows a person placing the Silver Lightning plate under water, then placing tarnished silver on the plate -- and like magic, the silver brightens and the tarnish vanishes.

I'm an inquisitive guy, so I assumed this was due to some kind of chemical reaction involving electrolysis, so I searched the web to see what I could find on the subject.

It turns out that silver tarnish is silver sulfide, much of which comes from the trace amounts of sulfur in the air. The Silver Lightning product is apparently nothing more than an aluminum plate, which, when placed in a solution of baking soda and water (about 1 cup per gallon) causes an electrochemical reaction that draws the sulfur away from the silver and to the aluminum.

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