Production Guide: Pét-Nats … Premium Content Access reserved for Denise Gardner Winemaking Members and Consulting Clients. Related Items:Production Guide: Re-Starting a Stuck Malolactic Fermentation (MLF)Spreadsheet: Wine Bottling QA/QCProduction Guide: Adjusting & Troubleshooting Free SO2 Prior to BottlingProduction Guide: Fining Agents DefinedChecklist: Pre-Bottling Timeline for White Wine