TrutherGirls T-Shirts: thetruthergirls.spreadshirt.com/ For idiots, burnouts, and airheads, and anyone else who wants to give it a whirl.This is the simplest, cheapest and easiest way to make colloidal silver. Anyone can do it. You don't have to set up a double-boiler, we only did that cause we didn't have a hotplate and we wanted to see how it would go if we heated it. It does work with cold water, too.