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Lab Testing

Grapes for sparkling wines are the first to be harvested, because winemakers are looking for grapes with less sugar and more acid. This year, Mumm started harvesting grapes at the end of July! As the grapes reach maturity, samples are brought back to a lab to test for harvest readiness.

Photo: Anna Monette Roberts

Read More MummMumm WineryNapa ValleySparkling WineChampagneFood NewsWineHappy HourCooking BasicsFall
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