Production Guide: Re-Starting a Stuck Malolactic Fermentation (MLF) … Premium Content Access reserved for Denise Gardner Winemaking Members and Consulting Clients. Related Items:Checklist: Winemaker's Pre-Harvest Prep TimelineProtocol: Freeze Test for Cold StabilityWorksheet: YAN CalculationsSOP: Dry Yeast FiningSpreadsheet: Pre-Canning Wine or Hard Cider QA/QC