Most years, gets down to 0F (think that's -17C). The
RV stuff says it goes down to -50.
I've got a leaky radiator, and it would be cheaper to
feed it $4 a gal RV stuff, rather than $10 a gal
auto stuff.
The obvious question is why not fix the radiator?
Is it too big a leak to use some form of stop leak?
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