Koeppel on Wine
★★★★★Independent Wine Knowledge Guide

Koeppel on Wine

Wine explained from vine to bottle: varieties, aging, closures, labels and what happens on the bottling line.

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VARIETIES & STYLES

Wine Explained

Grape varieties, styles, tannins, acidity, and aging, explained clearly without tasting-note jargon.

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Bottling & Closures

Corks, synthetic stoppers, screw caps, oxygen management, and sealing mechanics on the line.

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Labels & Filling

Wine label rules, mandatory statements, and the filling and labelling steps at a winery.

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This Week's Guides

Three US wine-label minimums: 75 percent for one grape variety, 75 or 85 percent for the place, and 85 or 95 percent for the vintage year.
Labels and Filling

The 75-85-95 Wine Label Rule: What Each Number Actually Measures

Comparison grid of Champagne, Prosecco DOC and Cava by origin, where the second fermentation happens, main grapes and minimum time before release
Labels and Filling

Champagne vs Prosecco vs Cava: Methods, Labels and Closures

Four places wine ages, an oak barrel, a stainless steel tank, a concrete egg and a sealed bottle, compared by how much oxygen reaches the wine and whether the vessel adds flavour
Wine Explained

Wine Aging Explained: Barrel, Tank, Concrete Egg and Bottle

SPECIAL FOCUS

The Science of Bottle Closures

Learn how natural corks, screw caps, and technical closures impact aging and oxidation.

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