SO2 Additions to Wine … Premium Content Access reserved for Denise Gardner Winemaking Members and Consulting Clients. Related Items:SO2 Parts (Adjusting SO2)A Brief Review of Cleaning, Sanitation, and Hurdle TechnologyFermentation: Yeast Strain SelectionYAN and Primary Fermentation Nutrient AdditionsProcessing Decisions: Dealing with Botrytis, Gray Mold