I'm cold stabilizing my wine this year (because I can - it's freezing
out there!), and was curious if I had to rack it off the crystals, or
could just wait until my next racking. I've had tartrate in bottles
before, but never noticed them return to solution in great quantity
once they were re-warmed.

Any ideas?

Rob

I'm bumping this back to the top to see if anyone has an answer since I
was wondering the same thing.


Rob wrote:
I'm cold stabilizing my wine this year (because I can - it's freezing
out there!), and was curious if I had to rack it off the crystals, or
could just wait until my next racking. I've had tartrate in bottles
before, but never noticed them return to solution in great quantity
once they were re-warmed.

Any ideas?

Rob

miker wrote:

I'm bumping this back to the top to see if anyone has an answer since I
was wondering the same thing.


Rob wrote:

I'm cold stabilizing my wine this year (because I can - it's freezing
out there!), and was curious if I had to rack it off the crystals, or
could just wait until my next racking. I've had tartrate in bottles
before, but never noticed them return to solution in great quantity
once they were re-warmed.

Any ideas?

Rob


Mike,

tartrate crystals, once formed, don't return into solution easily,
unless you apply extra heat. A certain amount of heat is liberated in
their formation and you've gotta supply that energy again to get them to
go back. Since tartrate crystals are often found in bottles which have
been at room temp for a long time, I'd say that their long term
stability is good.

I've never had a noticeable problem with crystals redissolving after
cold stabilization, but that's based on casual observation, not careful
measurement.

FWIW, it's recommended to let cold stabilized wine return to room temp
before racking, to avoid excessive oxygen absorption.

--
Mike MTM, Cokesbury, NJ, USA

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That is my understanding too. The only way I can think of to test it
is to stir a carboy of wine and rack it into separate vessels and cold
stabilize both. Rack one cold and the other warmed to room temp and
measure the results.

Joe