My current setup is shown above in the picture section. I'm using a Blackberry charger. My sacrificial piece is an airline bolt, metal unknown. My container is the bottom 3 inches of a plastic gallon jar. The water mix is about 3 Tbsp of washing soda in about 1 pint of water. A wet baking soda rub is used during the rinse. I haven't cleaned anything bigger than coins, and would like to see what everybody uses for varying projects. Please share.