I had a very interesting conversation with a couple of veteran winemakers at a guided wine tasting I conducted this fall. Together, they had made dozens of batches of wine, were using advanced techniques and had won medals; most recently two gold, one silver and three bronze medals between them in the WineMaker International Amateur Wine Competition. But their accomplishments aside, the interesting part was a casual question from one of them.…
Fining of wine is the addition of one substance to remove another. It is a diverse subject with several classes of materials involved in its use and lots of different intended outcomes.