Why You Won't Find Boxed Champagne At The Liquor Store - Tasting Table
Briefly

Boxed wines are favored for their convenience and affordability, but Champagne's high internal pressure poses a challenge for boxed packaging. With pressures between 4 to 6 atmospheres, equating to that of a double-decker bus's tires, conventional boxed wine bladders cannot contain Champagne. Bubbles in Champagne develop via detailed fermentation methods, distinguishing true Champagne from regular sparkling wines. Therefore, while smaller bottles or cans of bubbly exist, boxed Champagne remains a niche yet unproduced concept due to these significant challenges.
Boxed wines are popular for their practicality, but Champagne requires pressures that typical boxed packaging cannot handle, making true boxed Champagne impractical.
Champagne holds immense pressure from its bubbles, creating a challenge that typical boxed wine bladders are unable to withstand, leading to no boxed Champagne available.
The immense pressure in Champagne bottles is similar to that found in double-decker bus tires, making it unsuitable for traditional boxed wine packaging.
True Champagne production is complex, involving fermentation methods not easily compatible with the gravity-fed systems used for typical boxed wine.
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