Press ASAP and then watch it with an eagle eye. Might want to avoid
ML. Keep sulfite levels up.

Pp

On Oct 20, 7:05 am, "
> wrote:
> I have been making wine from grapes at home for several years and
> never encountered this problem. During the primary fermentation stage
> I noticed some mold on the top of the cap of some in a few of the
> primary fermenters. I am working with alicante and grenache grapes for
> the first time and have heard that this is not uncommon with these
> grapes. As I said before, I never encountered this before. the weather
> here has been exceptionally hot, in the 70s during the day and 50s at
> night.
>
> I removed the cap with the mold and set these primary fermenters
> aside. Any ideas about what I should do? I appreciate your help.
> Orlando