Joy, this is reported to be available in Canada, and it is phosphate free.  Whether it is equivalent to VW blue antifreeze, I could not say, but I do know that some vanagon owners use it.  If the only criterion is phosphate free, this should make the grade:

http://www.valvoline.com/products/brands/zerex/

mcneely

---- Joy Hecht <jhecht@ALUM.MIT.EDU> wrote:
> It appears that it's no longer possible to buy phosphate-free coolant, at
> least in Canada.  VW no longer carries it.  They say that their "aluminum
> core compatible" coolant is a suitable replacement.  My mechanic said
> something similar.
>
> What do folks here think?
>
>
>
> Joy

--
David McNeely