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Colloidal silver is silver in very fine particles, suspended in
water. It can be prepared by any of several methods:
Electrical method: Pass 12-30 volts
through two silver electrodes in mineralized (salt) water for 2-3 minutes per glass. Put a small light bulb in the circuit. If the bulb lights, the water is conducting and the process
starts. If not, add a little salt. Use to disinfect unsafe water (as while camping).
Commercial method (e.g., Micropur): use 0.3-0.32% solution. Use 1 drop for 2
liters of water, or approximately 2 drops per gallon. Wait 20 min to drink.
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