Added too much sulfite to wine post fermentation

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strongarm

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My Cabernet is currently in a 50liter barrel. I took a S02 reading at 32ppm and with my ph at 3.75 I wanted to get it to 70ppm. I needed to add 3 grams of potassium meta sulfite. Problem is my scale was not reading correctly and I think I may have added closer to 10 grams. This will be sitting in the barrel for 8-12 months. Do I have any serious issues to worry about. I will take a reading soon but wanted it to have a chance to dissolve first.


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I took a reading and got 64ppm S02. Thought it would be much higher than that unless it takes more time to dissolve to get a more accurate reading.


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Potassium meta sulfite powder. Just putting it directly in not diluting with hot water.


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I took a reading and got 64ppm S02. Thought it would be much higher than that unless it takes more time to dissolve to get a more accurate reading.


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Perfect!

Hopefully, that's not because it wasn't dissolved, though. I'd always recommend dissolving the powder in a little boiling wine or water, and add that.
 
I don't think you will have problems 64 ppm sounds fine for now, measure it after a couple of days to see it is not raising.
 
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