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Monday, September 08, 2025
Harvest in Napa: How Brix Levels Guide Winemakers | ONEHOPE
It’s mid-August in Napa, late morning before the sweltering summer heat settles in. Our enologist, Mark, is walking the vineyard rows, stopping at each cabernet sauvignon and sauvignon blanc block at our Rutherford vineyard. He’s pulling grape samples carefully from clusters across the vineyard to ensure an even representation of ripeness. Today, readers get a rare glimpse behind the scenes, following every step from grape sampling to measuring Brix (sugar levels), and understanding how these numbers