Dosage

Dosage – French term for the added sweetness of a sparkling wine.
Champaign is very dry by nature.
If the Champaign is made ready for sale,  a dash of sugar is added, dissolved in wine.
This is called dosage, or: liqeur d’expedition. That’s the moment when the sweetness of the wine is determined.

The different levels of sweetness in Champaign are: (total number of grams of sugar per liter)
Brut Nature / Extra Brut / Ultra Brut / Zero Dosage 0 gram/liter
Brut 0 -15 gram/liter
Extra Sec 12 - 20 gram/liter
Sec 17 - 35 gram/liter
Demi-sec 33-50 gram/liter
Doux 50 grams/liter and more