There could be a number of factors involved
1/ You have maintained a constant temperature, so that is not a factor.
2/ I see you used a high alcohol wine yeast. I used these for many years
without any problems.
3/ Did you add sufficient nutrients for the yeast.("Turbo yeast" and some
others already have this added?). Using distilled water for your wash can
also cause this problem.
4/ ph (acidity) may have been at fault. Ideally this should be between
3.4 and 3.4
5/ After it had started fermenting, did you add extra sugar or do
anything else that would have caused a rapid change in conditions that could
have caused "osmotic shock" to the yeast? Too much sugar to start with also
causes this problem.
6/ Very rarely a defective fermentation lock, (if you use them - I
don't), can cause carbon dioxide to be retained and dissolved in the wash,
inhibiting the action of the yeast.
7/ If you used sulphite or another sterilsing agent to clean the
equipment or sterilise the wash, and put the yeast in too soon, then this
could have caused the yeast.
These are the main causes of stuck fermentations. If everything seems in
order, just add some more yeast. Otherwise, rectify the problem and then add
----- Original Message -----
From: "Adrian Smith" <adriansmith1@...>
Sent: Monday, December 02, 2002 1:59 AM
Subject: [new_distillers] Sugar Wash - Impatient??
> Hi folks,
> I started a sugar wash off over 2
> weeks ago and it had a starting gravity of 1110
> at the moment it has fermented out to 1055. The
> fermentation was rapid at first but has now
> slowed down somewhat. It's gone from 1060 to 1055
> in about two days. Is there any way to speed
> things up or do I need to be patient. I've used
> standard high alcohol wine yeast and an aquarium
> heater to keep it at a constant 26 degrees
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