ArticleRed Wine Sediment and What To Consider When Selecting A YeastWritten by Alison CroweWhat you’re experiencing is the precipitation over time of all sorts of complex tannins and colored compounds.Already a member? Log InYou'll Also Like Article MEMBERS ONLY Top Me Off, Rules of Fining, and Achieving Cold Stable Wines Get some pointers and considerations a winemaker needs to keep in mind when topping off your aging wine vessels. The Wizard also answers questions on fining agents and malolactic fermentation after cold stabilizing a wine. Article MEMBERS ONLY Chlorine Conundrum & Country Wines: Wine Wizard I never use any chlorine-containing cleaning compounds in my winemaking and don’t recommend it to anyone. There are plenty of alternatives for cleaning, one of my favorites being sodium percarbonate.