Filter Stories - Coffee Documentaries

• Coffee Quality, Part 3: When the “quality” myth hits the farm

  For twenty years, the 2004 cupping form profoundly shaped the specialty coffee world.   But on the hillsides of coffee farms, some of the form’s byproducts have been disadvantaging producers.    In this episode, we follow two producers whose lives collided with the myth of universal quality. These stories reveal how a single idea of “quality” can close doors for the people with the least power in the supply chain.    The new coffee evaluation form, the CVA, is still young, and with any luck it will keep evolving. I hope for a form that can empower even the smallest producers.    Please support my work directly at Ko-fi.com/FilterStories   Other ways you can help: Leave a 5 star rating on Spotify Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter   Go deeper into the story of quality: The original Filter Stories episode about Murray Cooper in Ecuador, Firefly Specialty Coffee Association's new Coffee Value Assessment 2004 cupping form from the Specialty Coffee Association of America SCAA Coffee Cuppers Handbook (4th edition, 2011) Kenneth Liberman's book, "Tasting Coffee: An Inquiry into Objectivity" SCA's video series on the CVA presented by Peter Giuliano    

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• Coffee Quality, Part 2: How “quality” became a myth

  If you ask two specialty professionals what makes a high-quality coffee, you’ll likely get a surprisingly consistent answer: clean, sweet, juicy, bright. To an outsider, they would be forgiven for thinking coffee quality is universally defined.   But the truth is more sober.   In this episode, we examine how a simple cupping form helped create a universal idea of quality. We then look at the evidence that, in fact, it’s just the personal preferences of a small group of people masquerading as universal quality.    Please support my work directly at Ko-fi.com/FilterStories   Other ways you can help: Leave a 5 star rating on Spotify Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter   Go deeper into the story of quality: 2004 cupping form from the Specialty Coffee Association of America SCAA Coffee Cuppers Handbook (4th edition, 2011) Cup of Excellence cupping form Kenneth Liberman's book, "Tasting Coffee: An Inquiry into Objectivity" SCA's video series on the CVA presented by Peter Giuliano    

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• Coffee Quality, Part 1: The birth of specialty coffee flavours

  For the longest time, coffees were dull and bitter. But then a small group of pioneers changed the world.    In this episode, we travel back to the 1960s and ’70s to meet the trailblazers who realised coffees could taste distinctive: sweeter, brighter, cleaner.    We discover how their personal preferences became a movement, then a form, and eventually a global definition of “quality”.   Please support my work directly at Ko-fi.com/FilterStories   Other ways you can help: Leave a 5 star rating on Spotify Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter   Go deeper into the story of quality: Specialty Coffee Association's new Coffee Value Assessment 2004 cupping form from the Specialty Coffee Association of America SCAA Coffee Cuppers Handbook (4th edition, 2011) Michael Sheridan of CQI discussing the inter-organisational politics behind the Houston Expo announcement on Lee Safar's Map It Forward podcast  

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• How specialty coffee woke up to water’s role in flavour

  For the longest time, the coffee community only cared about water’s impact ruining espresso machine boilers and kettles. But what about water’s impact on coffee flavour?   In this episode, I tell the story of how the specialty coffee community came to understand water chemistry: the pioneering work of the computational chemist Christopher Hendon and British roaster Maxwell Colonna-Dashwood, the genesis of the SCA’s Water Quality Handbook, and where we are today understanding the impact of minerals on our water.   I strongly recommend listening to the two episodes before this one first Getting great water for coffee, step-by-step & The two ingredients in water that ruin your coffee, and the ancient story behind them   Please spread the word about The Science of Coffee! Leave a 5 star rating on Spotify Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter   Want to go deeper into water chemistry? Read the SCA’s Water Quality Handbook BWT White Paper on the effects of magnesium (German) Christopher Hendon’s Instagram where he’ll announce his new version of his book, Water for Coffee Do an online Certificate of Advanced Studies at the Coffee Excellence Centre   Season 3 of The Science of Coffee is made possible by these leading coffee organisations:   The Coffee Quest | BWT | TODDY | Algrano | Probat   Note: this is a reworked version of my 2022 episode Water for Brewing Coffee, including portions of my 2024 episode How to think like a scientist, part 2.

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• The two ingredients in water that ruin your coffee, and the ancient story behind them

  550 million years ago, earth was perfect. We had perfect water for coffee AND we were living in a vegetarian paradise!   But then Earth changed—violently. The planet shifted from a peaceful, plant-eating paradise to a darker, more brutal world. And in this new world, the chemistry of water was forever altered.   This is the wild story of how earth-shaking forces and the spirits of long-dead critters ruin your coffees today.   This story will help you remember the two invisible ingredients in your water that have a huge impact on coffee flavour and your brewing equipment: calcium and hydrogen carbonate.   Read Marcia Bjonerud’s amazing book, Reading the Rocks     Please spread the word about The Science of Coffee! Leave a 5 star rating on Spotify Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter   Season 3 of The Science of Coffee is made possible by these leading coffee organisations:   The Coffee Quest | BWT | TODDY | Algrano | Probat   Note: this is a reworked version of my 2022 episode Water for Brewing Coffee.  

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