Production Guide: Reducing Copper in Copper Sulfate Treated Wines … Premium Content Access reserved for Denise Gardner Winemaking Members and Consulting Clients. Related Items:Protocol: Heat (Protein) StabilityWorksheet: Winemaking Goals & Ambitions - 2024Checklist: Pre-Bottle Timeline for Native Wine Grape Variety WinesWorksheet: YAN CalculationsProtocol: Freeze Test for Cold Stability