CellarScience GERMAN Weihenstephan Lager Yeast 500g Brick is a premium commercial brewing yeast strain originating from the world-famous Weihenstephan brewing tradition in Germany. Renowned for producing clean, crisp, and exceptionally balanced lagers, this versatile strain has been trusted by professional brewers for generations and remains one of the most popular lager yeasts available today.

Designed for breweries, pilot systems, and high-volume brewing operations, the CellarScience GERMAN Weihenstephan Lager Yeast 500g Brick delivers reliable fermentation performance across a broad range of traditional and modern lager styles. Its clean fermentation profile allows both malt and hop character to shine while maintaining the smooth, refreshing finish expected from world-class lagers.

One of the key advantages of CellarScience GERMAN Weihenstephan Lager Yeast 500g Brick is its excellent attenuation and high flocculation. As a result, brewers can achieve crisp finishes, outstanding clarity, and consistent results from batch to batch. The strain performs exceptionally well in styles ranging from light pilsners and helles lagers through to stronger bocks and doppelbocks.

Like all CellarScience yeast products, the yeast is manufactured using advanced aerobic propagation methods that create high cell viability and elevated sterol reserves. Furthermore, every production batch is PCR tested to ensure purity, consistency, and contamination-free performance.

The 500g brick format is ideal for commercial breweries and larger-scale brewers seeking a cost-effective solution that delivers professional-quality results with the convenience of dry yeast.

Key Features

• Classic Weihenstephan German lager strain
• Commercial 500g brick format
• Produces clean, crisp lager character
• Excellent malt and hop balance
• High flocculation for improved clarity
• Strong attenuation and fermentation performance
• Suitable for direct pitching
• PCR tested for purity and consistency
• Gluten-free yeast strain
• Ideal for professional breweries and large batch brewing

Ideal Beer Styles

• German Pilsner
• Czech Pilsner
• Helles Lager
• Dortmunder Export
• Märzen
• Festbier
• Vienna Lager
• Bock
• Doppelbock
• Schwarzbier
• Kellerbier
• International Lager

Direct Pitch Method

1. Cool wort to the desired fermentation temperature.
2. Sprinkle the yeast directly onto the wort surface.
3. No initial oxygenation is required.
4. Ferment within the recommended temperature range.
5. Allow fermentation and conditioning to complete before packaging.

The advanced aerobic growth process provides high viability and elevated sterol levels for strong and reliable fermentation performance.

Rehydration Method

For brewers who prefer rehydration:

1. Sanitize the yeast package and scissors.
2. Use 10g of sterile water per gram of yeast at 29-35°C.
3. Add 0.25g of FermStart per gram of yeast.
4. Sprinkle the yeast onto the water surface.
5. Allow to stand undisturbed for 20 minutes.
6. Gently swirl to form a slurry.
7. Gradually add wort until the slurry is within 6°C of the wort temperature.
8. Pitch into the fermenter.

Fermentation Performance

Optimum Fermentation Temperature:
10-15°C

Attenuation:
78-85%

Flocculation:
High

Alcohol Tolerance:
9-10% ABV

International Code:
DY104

Comparable Strains:
WLP830, WY2124, SafLager W-34/70

Gluten-Free:
Yes

This strain is highly regarded for producing clean lager character while maintaining excellent balance and drinkability.

Dosage Information

Recommended Dosage:
0.66-1.06g per litre

Commercial Dosage Rate:
70-100g per 100 litres of wort

The 500g brick format is designed for commercial-scale brewing and larger batch production where accurate yeast management is essential.

Why Choose CellarScience Yeast?

CellarScience combines modern dry yeast technology with commercial brewing standards to provide professional-quality fermentation performance. Compared to many liquid yeast options, CellarScience dry yeast offers higher viability, greater stability during shipping, and simplified storage requirements.

As a result, brewers benefit from reliable fermentations, consistent flavour profiles, and excellent value without sacrificing quality.

What’s Included

• 1 x CellarScience GERMAN Weihenstephan Lager Yeast 500g Brick