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What power source do I need to perform the electrolysis of water?

A low-voltage DC power source is needed for the electrolysis of water.  The Battery Eliminator Power Supply (AP5375) is a great power supply to use for electrolysis experiments.  However, a 6-volt or 9-volt battery will also supply enough electricity to electrolyze water.  Caution:  Do not use an AC power supply for electrolysis experiments.  AC current will produce an explosive mixture of hydrogen and oxygen gas in the tubes of the electrolysis chamber.

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