Premium Non-GMO Wine & Champagne Yeast - Made in Belgium

Fermentis SafŒno™ BC S103 - Non-GMO Wine & Champagne Yeast

Selected for its outstanding fermentation power and reliability, this premium Saccharomyces bayanus strain thrives in tough winemaking conditions. It’s built for challenging musts and high‑alcohol ferments, consistently producing clean, varietal‑true wines with excellent settling and impressively low volatile acidity — a top choice for winemakers who wanting a reliable, professional‑grade yeast — add BC S103 to your kit and tackle high‑sugar, high‑SO₂, or tricky ferments with confidence.

• Non-GMO
• 5 gram pack: for 20-25 liters (0.2-0.25 g/l).
• Suits extreme conditions: Ferments 10–35 °C.
• Easy to use: Pitch directly- No rehydration required.
• High alcohol tolerance: up to 18%. useful for fortified or high‑sugar ferments.
• High alcohol tolerance: 16.2g/l sugar required to produce 1% alcohol.
• Low nitrogen requirements for steady, predictable fermentations.
• Clean flavour profile - minimal sulfur and higher alcohols; volatile acidity below 0.2 g/L.
• Versatile use: Secures difficult fermentations, restarts stuck ferments, and suitable for secondary fermentation = prise de mousse.
• Made in Belgium

• Pitch directly - No rehydration required
• Optimal Temperature 10 °C to 35 °C 
• Alcohol Tolerance 18% 
• Nitrogen Requirements Low
• Flocculation High
• Conversion Factor 16.2 g/L Grams of sugar required to produce 1% alcohol 
• Volatile Acidity Very Low 
• SO2 Production None to Very Little 
• H2S Production None to Very Little 
• Foam Production Low
• Non GMO
• Net Weight 5g
• Optimal Dosage Guide:
• • Still wines: 5g for 20-25 L (0.2-0.25 g/L) 
  • Restarting stuck ferments: 10g for 20-25 L (0.4-0.5 g/L use higher end for difficult restarts).
  • Prise de mousse: 7g for 20-25 L (0.3-08.5 g/l for secondary fermentation)
• Best Before: 31/01/2027
• Product of Belgium

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