I accidentally made my sulfite solution at 20%. Is the wine still drinkable?
TroubleShooting
Cavan Baillie — Renfrew, Ontario asks,
I accidentally made my sulfite solution at 20% (I forgot to top up with cool water when I made the solution) and added double the recommended amount of it to my wine. Is the wine still drinkable?
Since I don’t know what your “recommended” number was it’s impossible for me to know what a double addition is in this case. Therefore, you should definitely exercise caution before drinking and if your addition was greater than 50 ppm, I would send a sample out for a lab to check it. The legal limit for Free SO2 on wines in the US is 350 mg/L so if it’s over this level, the government would say a wine is unsaleable. But what if your levels aren’t nearly that high and you want a ballpark answer about the drinkability of the wine? It’s really a matter of your own taste balanced against the level of the addition you made. If you were doing your monthly SO2 addition with topping, and the wine already had SO2 in it, you were probably trying to add around 10–20 ppm total SO2. If you were to add double that amount, it’s not the end of the world. If you added twice the SO2 (say, you added 40 ppm total), you probably are OK to drink
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