John Slade wrote:
> Can anyone advise a reliable method for determining whether one is
> dealing with ethylene glycol or propelyne glycol? Unfortunately each
> needs its own tester to provide a reliable indication of freezing point,
> and, living in the frozen north, I like to be sure that my engines are
> properly protected.
>
> Thanks
>
> John Slade
> Manotick, ON
John,
Read the label on the container. It specifies the ingredients. My
Prestone says "ethylene glycol". A "Prestone" specific gravity tester
(cheap) reads the mixture as well as the protection limits.
Steve
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