"Ranée at Arabian Knits" wrote:
>
> In article >,
> zxcvbob > wrote:
>
> > I went to Trader Joe's for the first time tonight. I noticed they
> > have several flavors of kefir (including unflavored) in the dairy
> > case. Can this be used to culture your own kefir, or do you have to
> > start with "grains"?
>
> I _think_ it will only work if you have the grains, but it's worth a
> try.
>

Some of my relatives have been making/drinking kefir for ages. They make
the new batch from the old batch. That's the way it's been done for a
very long time.
If the commercial kefir hasn't been pasteurised after production it will
work, same as 'live' yogurt, creme fraiche or sour cream.