Yeast stress. When making Shampanurtan , the yeast is under tremendous pressure. If it lacks nutrients (nitrogen), it produces hydrogen sulfide. This is common in organic/natural sparkling wines.
In Georgia, we call these issues (პრობლემები შამპანურთან)—and they are more common than you think. problemebi shampanurtan
Decanting helps. Pour the wine into a wide carafe for 10 minutes. If that fails, drop a clean copper penny into the glass—copper binds with sulfur and removes the smell. 4. The “Too Sweet” Trap (Dosage Disasters) The Problem: You asked for Brut Nature (0-3g sugar), but the wine tastes like soda. Yeast stress
Mislabeling or a winemaker’s fear. Many producers add extra liqueur d’expedition (sugar syrup) to hide flaws in the base wine. In Georgia, some local Shampanuri is made for a palate that prefers semi-sweet, even if the bottle says "Brut." This is common in organic/natural sparkling wines
Buy from reputable producers who use the Traditional Method (secondary fermentation in the same bottle). Also, never wash your champagne flutes with soap. Soap residue kills surface tension, and without surface tension, bubbles cannot form. 3. The Sulfur Stink (Smell Problems) The Problem: The wine smells like burnt matches, rotten eggs, or boiled cabbage.