Sg reading

Oldman1951 · Feb 5, 2016

Started a batch of super sweet Welch's
Beginning sg was 1.162 ( got it a little rich)
This is day 4 sg is 1.122 is this slow or am I just anxious. Used 3 cans Welch's, red star yeast, 4 cups sugar. One gallon batch.

DoctorCAD · Feb 5, 2016

You are lucky that it even started.

Oldman1951 · Feb 5, 2016

Have 3 cans frozen Welch's grape in it

Oldman1951 · Feb 5, 2016

Why would it not have even started

sour_grapes · Feb 5, 2016

Oldman1951 said:
Why would it not have even started

A high concentration of sugar causes there to be a large osmotic pressure within the yeast. This can kill the yeast. (This why honey does not spoil, for example.) I do not know the upper limit that wine yeast can take.

Oldman1951 · Feb 5, 2016

Ok. Starting sg 1.162 after 4 days sg 1.122 airlock still working. Is this normal for high starting sg ??

Johnd · Feb 5, 2016

As stated earlier, with such high sugar content, you did well to get it started. Not knowing which red star yeast you used makes it hard to predict how far it will go, but rest assured it will die of alcohol toxicity long before it gets dry, leaving you with a very sweet wine.

sour_grapes · Feb 5, 2016

Oldman1951 said:
Ok. Starting sg 1.162 after 4 days sg 1.122 airlock still working. Is this normal for high starting sg ??

I don't really know the answer to your question, but it does not sound abnormal to me. Even for a regular starting gravity, a reduction of 0.040 after 4 days sounds reasonable. For mine, there is usually close to 2 days (lag phase) before you see any reduction at all. Then taking 0.040 down over the next two days sounds quite reasonable to me.

Oldman1951 · Feb 5, 2016

It was montrachet. I guess live try and learn.

Arne · Feb 6, 2016

Make sure you get some nutrient in there with that. Montrachet ferments good, but if it gets stressed you will get a dose of rotten egg smell. Not enough nutrient (food) can stress it, it does not happen every time but I wouldn't chance it. Good luck with it, Arne.

Oldman1951 · Feb 6, 2016

Thanks for the heads up on the nutrient

Sg reading

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