Production Guide: Reducing Copper in Copper Sulfate Treated Wines … Premium Content Access reserved for Denise Gardner Winemaking Members and Consulting Clients. Related Items:Checklist: Winemaker's Pre-Harvest Prep TimelineChecklist: Pre-Bottling Prep Timeline for Red WineProduction Guide: Red Wine Production Diagram - Primary Fermentation with Sequential MLFSpreadsheet: Wine Bottling QA/QCProduction Guide: Fermentation Nutrition Strategies