>
>
> >
> > << What is the rationale for distilled water. >>
> >
> > The cooling system requires deionized water.
> >
> > Also, deionized H2O is offered by antifreeze manufacturers at inflated prices.
> >
>
> Distilled, deionized, and demineralized water will all work about the
> same for our purposes.  Water can be deionized or demineralized with a
> filter.  The ones I use to purify the water for my H. S. chemistry
> classes cost about $60 and are good for about 80 gallons.(Chicago water,
> YMMV)  Less trouble than operating and cleaning a still.  Distilling is
> better at removing organic impurities like benzene, gasoline, etc. but
> I'm mainly concerned about the calcium, magnesium, iron, aluminum, etc.
> compounds.
>

Around my area there are several stores large and small that have RO (reverse
osmosis) dispensers out front that dispense
pure water into your own containers for  .25 per gallon.  Is this a west coast
phenomenon?

John McLean   87  Vanagon  GL