Fermentis SafSpirit™ Yeast Range | Spirits - Distilling

SafSpirit Yeast Range: Precision Fermentation for Exceptional Spirits

Craft the perfect spirit—every time. The SafSpirit Yeast Range delivers high-performance yeast strains designed for distillers who demand reliability, efficiency, and superior flavour profiles. Whether you’re producing rum, whisky, vodka, or agave spirits, our scientifically developed strains ensure optimal fermentation, enhanced aromas, and maximum yield.

Explore Our Premium Yeast Strains

1. SafSpirit C-70 – The Rum Specialist

Perfect for: Rum, agave spirits (mezcal/tequila), grain mashes

A favourite in the Caribbean and Central America, SafSpirit C-70 excels in fermenting sugarcane juice, molasses, and agave, producing rich, fruity esters for authentic rum character. It also performs brilliantly in low-to-medium gravity grain mashes, making it a versatile choice for distillers.

✅ Key Benefits:
✔ Broad substrate compatibility (molasses, agave, grains)
✔ High-quality alcohol production with balanced congeners
✔ Consistent, efficient fermentation

2. SafSpirit M-1 – The Whisky Distiller’s Choice

Perfect for: Scotch, single malt whisky, grain-based spirits

Trusted by whisky makers, SafSpirit M-1 enhances malt complexity while producing higher alcohols (fusel oils), essential for deep, cask-aged character. With 15% ABV tolerance and superior sugar attenuation, it’s the ideal strain for traditional Scotch production where enzymes aren’t used.

✅ Key Benefits:
✔ Optimised for Scotch & single malt whiskies
✔ High alcohol tolerance (15% ABV)
✔ Excellent attenuation of complex sugars

3. SafSpirit HG-1 – The High-Gravity Powerhouse

Perfect for: Vodka, neutral spirits, high-ABV fermentations

Engineered for Very High Gravity (VHG) fermentation, SafSpirit HG-1 thrives under extreme conditions—18% ethanol tolerance, osmotic resistance, and high temperatures. Maximise yield and efficiency while maintaining a clean, neutral profile, perfect for vodka, gin, and industrial alcohol production.

✅ Key Benefits:
✔ Unmatched 18% ABV tolerance
✔ Thermotolerant & resistant to osmotic stress
✔ Ultra-clean, neutral alcohol profile

How to Choose the Right Yeast for Your Spirit

• Whisky? → SafSpirit M-1 for rich, malty depth

• Rum or agave spirits? → SafSpirit C-70 for tropical esters & smoothness

• High-proof vodka/neutral spirits? → SafSpirit HG-1 for maximum yield & purity

Every SafSpirit strain is lab-tested for consistency, helping distillers achieve repeatable, high-quality results—batch after batch.

Why Yeast Matters in Distilling

Yeast isn’t just a fermentation agent—it’s the heart of your spirit’s flavour, aroma, and alcohol yield. The SafSpirit Range gives you precision control, whether you’re a craft distiller seeking complexity or a large-scale producer prioritising efficiency.

Elevate your spirits. Ferment with confidence.