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AW4 Vintners Wine Yeast for Germanic Aromatic White Wines

Vintner's Harvest Yeast - Aw4
Vintner's Harvest Yeast - AW4 The �only strain� for Germanic aromatic white wines. AW4 is noted for developing powerfully fragrant, full, spicy, and aromatic wines. A perfect match for Gewurztraminer; also recommended for Sauvignon Blanc and Semillon where a positive aromatic ester contribution is desired from the yeast. AW4 is a good fermenter across a wide range of temperatures (14 to 30C, or 57-86F), low foam formation, and medium to high glycerol. It will ferment up to 14.5% abv providing the temperature is held within the 20 - 25C (68 -77F) range and the must pH is above 3.0.

AW4 Vintners Wine Yeast for Germanic Aromatic White Wines