However, as I'm beginning to understand, this may not be a good way to go anyway. Dottie, This is not a good idea. Nothing but pure silver should enter the vessel.
Alligator clips contain a number of metals and are sometimes coated with cadmium.
They were actually given to me, so cost is nothing. I was planning on attaching them with aligator clips to the sides of the glass container. The clips will be attached to wires that run to a 6 volt dc transformer. I guess I'll have to visit Radio Shack to explore your stirring suggestions. I'll let you know just what I can come up with.