Brut Champagne is the broadest category, allowing 0-15 grams of sugar per liter. However, most bruts contain 7-15 grams. For information on bubblies with 0-6 grams of sugar per liter, see Extra Brut. Brut Champagne is the category where you'll find the bottles that best accompany a meal, or please a crowd. It's the most popular, the most consumed, and as such, it's our largest category.