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  1. Greetings, I’m new here. Stumbled upon this site by chance while trying to figure out what was going on in my electroplating experiment today. I just used household stuff, a car battery charger and a copper pipe , and the item to be plated was made from brass. I threw some salt and vinegar into the water to get it going. Initially it worked great, I got copper coatings within seconds. Tomorrow I’m going to do a polarity change to see the effect. The bubbles of gas, hydrogen I think, seem to come off the item connected to the positive (anode) terminal. Can you use those bubbles to figure out which way the copper is going, away from the bubbles or toward them? Ps this expt is right down at the Galvani and his frogs legs level. Thanks R.E.
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