Organic wine vs wine made with organic grapes
The February 2014 USDA guide splits the seal, added sulfites, and the 100 ppm sulfur dioxide ceiling. A 750 mL bottle at that ceiling holds 75 mg.
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#wine-labeling
Articles and technical notes categorized under the #wine-labeling topic.
Sulfites in Wine: Free SO2, pH, and the 10 ppm Label
Calculate molecular SO2 from free SO2 and pH with the AWRI formula, then apply the TTB 10 ppm label line and the USDA organic-grape ceiling.