Quote:
Originally Posted by FLEXjs
Just as an FYI pure water does NOT conduct electricity.
Water conducts electricity only because most of it is not pure; it contains dissolved solids. When those solids are dissolved they split into positive and negative ions, and that is what allows it to conduct electricity.
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Yup.
It's pretty expensive to get that stuff out of water, and even then, there's always ions in water due to auto ionization.
One of the ways we measure water purity is with resistance. The system I use will purify water up to 18 MΩ.