Master Brewers Podcast

A recent OSU study of aroma hop shelf life under commercial storage conditions.

Special Guests: Cécile Chenot and Tom Shellhammer.

Sponsored By:

• Hopsteiner:

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• Aging of Citra®, Cascade, and Centennial hops under commercial storage and the discrepancies between sensory quality and HSI classification

How isinglass works, how to optimize results, when and why to use auxiliary finings (such as silica solutions), and more.

Special Guest: Andrew Fratianni.

Sponsored By:

• Hopsteiner:

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• Isinglass and Its Brewing Application

It’s not pasteurization. It’s not sterile filtration. So how exactly does the Shredder achieve microbiological stabilization?

Special Guests: Jesse Kremenak and Matt Burkhardt.

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• Hopsteiner:

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• Shredder: instant, zero-energy pasteurization

Steve Bradt from Micro Matic joins us to talk about keg valve design, function, maintenance, and safety. If you work with kegs, this episode is for you, regardless of your experience level.

Special Guest: Steve Bradt.

Sponsored By:

• Hopsteiner:

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• Ask The Brewmasters

Can increased pitch rate accelerate fermentation at 8°C? How does pitch rate influence aroma formation in different lager yeast strains? Is there an optimal pitch rate for balancing clean flavour with desired complexity?

Special Guest: Richard Preiss.

Sponsored By:

• Hopsteiner:

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• 2026 Master Brewers Conference

Understanding the basics of yeast propagation is critical for commercial brewers of all sizes. With 50 years of experience researching yeast, Graham Stewart joins us to talk about the basic principles of brewer's yeast propagation.

Special Guest: Graham Stewart.

Sponsored By:

• Hopsteiner:

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• Brewer's Yeast Propagation: The Basic Principles

A discussion with the authors of a new book about yeast.

Special Guests: Bill Maca and Florian Kuplent.

Sponsored By:

• Hopsteiner:

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• Brewing Yeast Volume 1: Yeast Fundamentals and Propagation

How & why to operate a mash filter

Special Guest: Jason Platek.

Sponsored By:

• Hopsteiner:

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• Mash Filter Brewing

How von Trapp uses sensory to lock in lagers.

Special Guest: Jack Van Paepeghem.

Sponsored By:

• Hopsteiner:

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• Locking in Your Lager program: A Sensory Perspective

How Drake's Brewing Co approaches sustainability.

Special Guest: Hal McConnellogue.

Sponsored By:

• Hopsteiner:

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• Practical Sustainability for the Modern Craft Brewery