Ivan Anderson wrote:
> 
> Hi Douglas,
> 
> <grin> better let me take that unit off your hands, before you do
> something you regret later.
> 
> BTW a TDS meter is nothing more than a conductivity meter with a
> circuit that converts the readout to ppm of some predetermined
> compound or group of compounds, the so called TDS factor. This
> needs to be further converted to supply a measure of silver ions.
> 
> The TDS meter or conductivity meter will measure any ion or
> particle that is not electrically neutral. It will measure
> colloids composed of single ions or multi-ion particles. It will
> not measure colloids of non ionic or metallic particles.
> 
> So if you are trying to measure a colloid of metallic silver
> particles then it will not work. Most of us, however, are trying
> to generate ionic silver colloid and in this, if properly
> configured, the TDS meter should be fine, I think...
> 
> Regards - Ivan

  Ivan,
  Isn't ionic silver colloid a contradiction in terms?
  Ron

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