Ron Youvan wrote:
> Dr. David Kirkby wrote:
>
>
>>> It is incorrect to say water is an insulator. No matter how much you
>>> distill it, there is a degree of self-ionization.
>>>
>>> http://en.wikipedia.org/wiki/Self-ionization_of_water
>>>
>>> which puts an lower limit on the conductivity.
>>>
It puts a lower limit on conductivity, but does not define whether it is
a resistor or not.
Resistors and insulators are separated by a matter of degree with the
area in between defined as semiconductors, not absolutes.
>
> 40,000 Volts DC across 36" of Teflon tubing does not put H2O the
> conductor category.
>
> It is little more than trivial to add a demineralizer to the cooling
> circuit.
>
and most likely not even necessary with DI and distilled water in such
small systems if the reservoir is large enough.
73
Roger (K8RI)
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