Can you let grape juice from the store ferment into wine?

Only if you put it in the terlet

Add an orange to it

One day someone will invent this thing where you can look up this information.

OT gives me funnier answers than google

With a little yeast and time

Just add sugar and regular bread yeast. Keep the lid loose and when it stops bubbling it’s done.

We’re not actually trying to make any. We’re at my grandparents thanksgiving and my child wanted some apple juice, so I went to get some out of my grandparents fridge and when I pulled the lid off, I could tell it had soured. My cousin jokingly said don’t throw it away we can make some wine out of it. I chuckled and said yeah, if only it worked that way. This started us on an actual debate of whether it was possible or not.

You can ferment pretty much anything as long as there is active yeast and sugar for the yeast to consume.

Of course, temperature, sanitation, etc will have an impact but that's the jist.

So to answer your question directly, no you can't just let wine juice from the store sit there untouched and expect wine. You can take that grape juice, add sugar, add yeast, and it will ferment.

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One day someone will invent this thing where you can look up this information.

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Did he let out a Roll Tide too?

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