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Keeping White Ferments Cool

In Whites by Admin0 Comments

There is general agreement that white juice should be fermented at cool temperatures, taking several weeks to complete the process rather than the several days common with red must. Keeping white ferments cool is particularly applicable for the aromatic style. The cooler ferments can yield better varietal fruit flavor.

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Adding Nitrogen To Fermentations

In Vintners Corner by Admin0 Comments

Yeast requires nitrogen for fermentation. If there is not enough, yeast cells are stressed and produce excess H2S—something that gives fermentations an off-odor. If you want to avoid problems, you must be prepared by adding nitrogen to fermentations.