Cellar Science’s German Weihenstephan Lager Yeast is a high-performance strain derived from the renowned Weihenstephan brewery in Germany.
This 12g sachet contains 9% more yeast than competitors and is PCR tested for quality assurance. With high flocculation and an alcohol tolerance of 9-10% ABV, it’s ideal for brewing clean, balanced lagers, pilsners, and doppelbock.
The yeast boasts an attenuation range of 78-85% and is comparable to WLP830, WY2124, and W-34/70 strains.
Designed for direct pitching without initial oxygenation, it offers flexibility in pitching methods.
Recommended dosage is two 12g sachets for 19-23 liter batches, with specific guidelines for larger volumes. Further exploration reveals additional technical specifications and usage recommendations.
Overview
German Lager Yeast from CellarScience represents a pinnacle in dry yeast technology, offering brewers a high-quality, versatile strain for crafting exceptional lagers.
This Weihenstephan-derived strain exhibits superior performance characteristics, making it ideal for a variety of lager styles. Formulated for direct pitching, it eliminates the need for wort oxygenation, streamlining the brewing process. Each 12g sachet contains 9% more yeast cells than competitors, ensuring prime fermentation.
| Specification | Value |
|---|---|
| Optimal Fermentation Temperature | 10-15°C |
| Flocculation | High |
| Alcohol Tolerance | 9-10% ABV |
| Attenuation | 78-85% |
| Pitch Rate | 0.66-1.06 g/L |
CellarScience’s German Lager Yeast undergoes rigorous PCR testing for quality assurance, guaranteeing consistent performance across batches. Its versatility allows for the production of various lager styles, from crisp pilsners to robust doppelbocks, while maintaining a clean, balanced flavor profile.
This strain’s high viability and pre-loaded essential nutrients contribute to its reliability and ease of use.
Dosage
To guarantee ideal fermentation performance, proper dosage of CellarScience’s German Lager Yeast is essential.
The recommended dosage for a standard 19-23 liter batch is two 12g sachets, providing ample viable cells for efficient fermentation. For larger batches, the dosage rate is calculated at 0.66-1.06g per liter, or 80-120 grams per hectoliter.
It is advisable to round up to the nearest full sachet to ascertain sufficient yeast population. The specific dosage may vary based on factors such as wort temperature and gravity.
Direct pitching is the preferred method, although rehydration is optional for enhanced performance. When rehydrating, a ratio of 10ml of water at 29-35°C per gram of yeast is recommended, with the addition of 0.25g of FermStart per gram of yeast for peak results.
Direct Pitch or Rehydrate
When using CellarScience’s German Lager Yeast, brewers have two options for pitching: direct addition to the wort or rehydration before pitching.
The direct pitch method involves sprinkling the dry yeast directly onto the wort surface, eliminating the need for initial oxygenation. This approach simplifies the brewing process and saves time.
Alternatively, rehydration can enhance yeast performance. To rehydrate, sanitize the yeast packet and scissors, then mix 10 ml of water (29-35°C) with 0.25 g of FermStart per gram of yeast. Allow the slurry to rest for 20 minutes before swirling. Prior to pitching, adjust the slurry temperature to within 6°C of the wort temperature.
While both methods are effective, direct pitching is generally recommended due to its simplicity and the yeast’s high viability resulting from its aerobic growth process.
Cellar Science Yeast
CellarScience, a trusted brand under MoreFlavor, Inc., is dedicated to providing top-quality yeast and fermentation products for both home and professional brewers.
Known for their innovative approach, CellarScience utilizes advanced packaging technology to ensure the purity, freshness, and longevity of their products.
Their yeast strains, such as the popular CALI and German varieties, are designed to deliver consistent, reliable results, making them the go-to choice for brewers looking to craft exceptional beers with clean and balanced flavors.
Shipping Info
Shipping Policy and Information
The Yeast Platform is dedicated to providing efficient and affordable shipping options for our customers. Enjoy free shipping across Australia on orders over $100, and choose from economical postage options via Australia Post standard mail.
For those in the Mulgrave, Victoria area, local pickup can be arranged after your order is placed. We strive to dispatch orders on the same business day or by the next day at the latest.
Currently, Australia Post is our exclusive shipping provider. If you notice any discrepancies in shipping costs, we offer a custom shipping option to ensure you receive the best rates possible.
Our comprehensive shipping policy reflects our commitment to customer satisfaction, making it easy for both professional brewers and homebrewing enthusiasts to access high-quality brewing ingredients throughout Australia.
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