You can make colloidal silver at home if you wish, just hook up the positive side of a 9 volt to a piece of silver and put it in a tub of distilled water, then run a wire from the negative side and put that in the water as well. This should free silver particles from the bar/coin into the water.
There is a problem though, look at what can happen if you use the wrong kind of colloidal silver or overdose:
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Link about the photos
here.
However,
silver-colloids.com has this to say:
“Colloidal silver” generators sold to home hobbyists all produce ionic silver solutions. Because ionic silver products contain a low percentage of their silver content, they all have a fairly low particle surface area relative to the total silver content. Thus, ionic silver products, when taken according to the manufacturers recommended dosage, will not cause argyria, a condition that causes the skin to turn blue-gray."
Full report
here.
I had thought about using colloidal silver, but couldn't get over the fact that if you OD you turn grey. I started looking into essential oils, which usage goes back to ancient egypt. If you want more information on subjects such as these, just <u>Google</u> them, I can't stress enough how much information Google will lead you to... all you have to do is take the time to do the research. Try checking on eBay for Colloidal Silver and Essential Oil products, but for the Colloidal Silver I would head the warnings of the "silver-colloids" website which I posted above.