Why Sommeliers Use Candles To Test Wine - Chowhound

So what are these two types of deposits found in your favorite drink? Well, when white wines go through the fermentation process, they leave behind tartrate crystals, or more colloquially, the wine diamonds. These resemble small bits of glass, but they're actually the basis for what bakers know as cream of tartar, or for the sommeliers in the crowd, potassium bitartrate. Because white wine is chilled, the…