Chaptalization—adding sugar to grape must before fermentation—is controversial. Some consider it cheating; others view it as essential correction. Here is when adding sugar actually improves...

You have nursed your wine through fermentation, aging, and clarification. Then bottles start going bad—oxidized, flat, off-flavors developing where none existed. The culprit is almost...

Secondary fermentation is where your wine develops character. The violent activity of primary gives way to subtle transformation as remaining sugars ferment, sediment settles, and...