Main Page | See live article | Alphabetical index Colloidal silver is silver in very fine particles, suspended in water. It can be prepared by any of several methods: Electrical method: Pass 30 volts through two silver electrodes in pure water for a few hours. Put a small light bulb in the circuit. If the bulb lights, a whisker of silver has connected the electrodes and you have to stir the water. others It has been claimed to kill various microorganisms. Continued ingestion of colloidal silver may result in argyria. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.