I just got lab results back from Vinquiry on some wine I have in a 120 Liter barrel and some in a 10 gallon barrel. I was surprised at the low SO2 levels. I keep the barrels topped up weekly. Is it normal for the free SO2 to drop farily rapidly in a barrel as compared to a glass carboy? If so, I guess I am going to have to invest in some SO2 measuring apparatus and keep a closer check on it. Both wines have a clean surface with no sign of any spoilage organisisms. The pH is around 3.5 in both but the SO2 was 17 mg/L and 12 mg/L. Guess I will have to add some more sulphite.
- posted
19 years ago