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Filter Stories - Coffee Documentaries

James Harper
Filter Stories - Coffee Documentaries
Latest episode

85 episodes

  • Filter Stories - Coffee Documentaries

    Farming: Game-changing thermometers and poisoned rivers

    09/08/2026 | 28 mins.
    This episode explores how just a handful of cheap instruments can ensure quality is reproducible year-on-year, and the wastewater crisis poisoning rivers behind picture-perfect coffee farms.

    Part of The Coffee Producer Toolkit, a series made in collaboration with Lucia Solis, it will help you understand coffee farming better than most professionals you'll meet at a trade show.

    Each episode takes one part of the farming business — agronomy, processing, fermentation, storage, quality, sales — and lays out what the best farms are actually doing. 

     

    Please spread the word about Filter Stories!

     

    Follow us on Instagram - James (@filterstoriespodcast)  and Lucia (@lluciasolis) - and tag us in an Instagram story. 

     

    Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter

    Stay up to date with Lucia through her newsletter

     

    Write a review on Apple Podcasts

     

    Leave a 5 star rating on Spotify

     

    Support James’ work directly by buying him a coffee at Ko-fi.com/FilterStories

     

    Related podcast episodes:

    Lucia:

    Making Coffee with Lucia Solis — How to De-Funkify your Naturals

    Making Coffee with Lucia Solis — Germination: A Close Look at Coffee Drying

    James:

    Filter Stories: Why One Colombian Farmer Chose Specialty, and the Other Walked Away

     

    People mentioned in the episode:

    Lester Lerner, Old Willow Coffee, Colombia

    Orlando Osorio, La Primavera, Colombia

    Astrid Medina, Tolima, Colombia

    David Velásquez, Los Naranjos, El Salvador

    Jesús Antonio Chala, Finca El Silencio, Colombia

    Victor Chala, Palma Rosa, Colombia 

    Melissa de Gasperín, Rancho San Felipe, Córdoba, Mexico

    Norberto Suárez, Boquete, Panama

    César Marín, Chacra D'Dago, Peru

    Manuel Matta, Santa Maria, Colombia

     

    Resources:

    Innovakit: canguaro (picking sleeves)

    Pinhalense Cherry Floater

    Pinhalense Vertical Pulper

    Pinhalense Mechanical Dryers

    Tolva — Plastic Vertical Hopper

    Moisture Meter (Mid Tier)

    Moisture Meter (High End)

    Cenicafé Low-Water Wet Milling (Ecomill-type systems)

    Flávio Borém Drying Research

    DIY Moisture Maths (weight + fixed volume)

     

    Lucia's Favorite Tools:

    Temperature Gun

    Ambient Temperature Sensor

    Temperature Probe

    pH meter & buffer solution

     

    The Coffee Producer Toolkit is made possible by these leading coffee organisations:

     

    The Coffee Quest | BWT | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro

     

     

    Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here.

    Use ProfilePrint to find the coffee your customers loved last year (without a week of cupping!). Use promo code "FILTER" to get 10% off your first year of a Mini Beluga subscription. Click here to discover ProfilePrint's many uses. 

    Support hundreds of thousands of coffee farmers with Fairtrade. Discover how here. 

    Office coffee = easy recurring revenue. WMF’s Elevation 10 and Peak 50 do the work for you. Learn more here. 
     
    What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off.
  • Filter Stories - Coffee Documentaries

    Farming: Drying mistakes that ruin coffee quality

    09/08/2026 | 30 mins.
    This episode explores the simple drying mistakes that compromise months of careful work, and the low-cost fixes that protect a coffee's shelf life and flavour.

    Part of The Coffee Producer Toolkit, a series made in collaboration with Lucia Solis, it will help you understand coffee farming better than most professionals you'll meet at a trade show.

    Each episode takes one part of the farming business — agronomy, processing, fermentation, storage, quality, sales — and lays out what the best farms are actually doing. 

     

    Please spread the word about Filter Stories!

     

    Follow us on Instagram - James (@filterstoriespodcast)  and Lucia (@lluciasolis) - and tag us in an Instagram story. 

     

    Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter

    Stay up to date with Lucia through her newsletter

     

    Write a review on Apple Podcasts

     

    Leave a 5 star rating on Spotify

     

    Support James’ work directly by buying him a coffee at Ko-fi.com/FilterStories

     

    Related podcast episodes:

    Lucia:

    Making Coffee with Lucia Solis — How to De-Funkify your Naturals

    Making Coffee with Lucia Solis — Germination: A Close Look at Coffee Drying

    James:

    Filter Stories: Why One Colombian Farmer Chose Specialty, and the Other Walked Away

     

    People mentioned in the episode:

    Lester Lerner, Old Willow Coffee, Colombia

    Orlando Osorio, La Primavera, Colombia

    Astrid Medina, Tolima, Colombia

    David Velásquez, Los Naranjos, El Salvador

    Jesús Antonio Chala, Finca El Silencio, Colombia

    Victor Chala, Palma Rosa, Colombia 

    Melissa de Gasperín, Rancho San Felipe, Córdoba, Mexico

    Norberto Suárez, Boquete, Panama

    César Marín, Chacra D'Dago, Peru

    Manuel Matta, Santa Maria, Colombia

     

    Resources:

    Innovakit: canguaro (picking sleeves)

    Pinhalense Cherry Floater

    Pinhalense Vertical Pulper

    Pinhalense Mechanical Dryers

    Tolva — Plastic Vertical Hopper

    Moisture Meter (Mid Tier)

    Moisture Meter (High End)

    Cenicafé Low-Water Wet Milling (Ecomill-type systems)

    Flávio Borém Drying Research

    DIY Moisture Maths (weight + fixed volume)

     

    Lucia's Favorite Tools:

    Temperature Gun

    Ambient Temperature Sensor

    Temperature Probe

    pH meter & buffer solution

     

    The Coffee Producer Toolkit is made possible by these leading coffee organisations:

     

    The Coffee Quest | BWT | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro

     

     

    Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here.

    Use ProfilePrint to find the coffee your customers loved last year (without a week of cupping!). Use promo code "FILTER" to get 10% off your first year of a Mini Beluga subscription. Click here to discover ProfilePrint's many uses. 

    Support hundreds of thousands of coffee farmers with Fairtrade. Discover how here. 

    Office coffee = easy recurring revenue. WMF’s Elevation 10 and Peak 50 do the work for you. Learn more here. 
     
    What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off.
  • Filter Stories - Coffee Documentaries

    Farming: Coffee rockstars and picking's brutal economics

    09/08/2026 | 41 mins.
    This episode explores why chasing avant-garde processing before nailing the basics is a trap for most producers, the brutal economics behind selectively picking and ways to sort coffee cherries in the wet mill. 

    Part of The Coffee Producer Toolkit, a series made in collaboration with Lucia Solis, it will help you understand coffee farming better than most professionals you'll meet at a trade show.

    Each episode takes one part of the farming business — agronomy, processing, fermentation, storage, quality, sales — and lays out what the best farms are actually doing. 

     

    Please spread the word about Filter Stories!

     

    Follow us on Instagram - James (@filterstoriespodcast)  and Lucia (@lluciasolis) - and tag us in an Instagram story. 

     

    Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter

    Stay up to date with Lucia through her newsletter

     

    Write a review on Apple Podcasts

     

    Leave a 5 star rating on Spotify

     

    Support James’ work directly by buying him a coffee at Ko-fi.com/FilterStories

     

    Related podcast episodes:

    Lucia:

    Making Coffee with Lucia Solis — How to De-Funkify your Naturals

    Making Coffee with Lucia Solis — Germination: A Close Look at Coffee Drying

    James:

    Filter Stories: Why One Colombian Farmer Chose Specialty, and the Other Walked Away

     

    People mentioned in the episode:

    Lester Lerner, Old Willow Coffee, Colombia

    Orlando Osorio, La Primavera, Colombia

    Astrid Medina, Tolima, Colombia

    David Velásquez, Los Naranjos, El Salvador

    Jesús Antonio Chala, Finca El Silencio, Colombia

    Victor Chala, Palma Rosa, Colombia 

    Melissa de Gasperín, Rancho San Felipe, Córdoba, Mexico

    Norberto Suárez, Boquete, Panama

    César Marín, Chacra D'Dago, Peru

    Manuel Matta, Santa Maria, Colombia

     

    Resources:

    Innovakit: canguaro (picking sleeves)

    Pinhalense Cherry Floater

    Pinhalense Vertical Pulper

    Pinhalense Mechanical Dryers

    Tolva — Plastic Vertical Hopper

    Moisture Meter (Mid Tier)

    Moisture Meter (High End)

    Cenicafé Low-Water Wet Milling (Ecomill-type systems)

    Flávio Borém Drying Research

    DIY Moisture Maths (weight + fixed volume)

     

    Lucia's Favorite Tools:

    Temperature Gun

    Ambient Temperature Sensor

    Temperature Probe

    pH meter & buffer solution

     

    The Coffee Producer Toolkit is made possible by these leading coffee organisations:

     

    The Coffee Quest | BWT | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro

     

    Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here.

    Use ProfilePrint to find the coffee your customers loved last year (without a week of cupping!). Use promo code "FILTER" to get 10% off your first year of a Mini Beluga subscription. Click here to discover ProfilePrint's many uses. 

    Support hundreds of thousands of coffee farmers with Fairtrade. Discover how here. 

    Office coffee = easy recurring revenue. WMF’s Elevation 10 and Peak 50 do the work for you. Learn more here. 
     
    What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off.
  • Filter Stories - Coffee Documentaries

    Farming: Starved soils and vanishing labour

    27/07/2026 | 44 mins.
    This episode explores what plants really need from the soil beneath them, and the labour shortage forcing farms to rethink how the work gets done.

    Part of The Coffee Producer Toolkit, a series made in collaboration with Lucia Solis, it will help you understand coffee farming better than most professionals you'll meet at a trade show.

    Each episode takes one part of the farming business — agronomy, processing, fermentation, storage, quality, sales — and lays out what the best farms are actually doing. 

     

    Please spread the word about Filter Stories!

     

    Follow us on Instagram - James (@filterstoriespodcast)  and Lucia (@lluciasolis) - and tag us in an Instagram story. 

     

    Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter

    Stay up to date with Lucia through her newsletter

     

    Write a review on Apple Podcasts

     

    Leave a 5 star rating on Spotify

     

    Support James’ work directly by buying him a coffee at Ko-fi.com/FilterStories

     

    Related podcast episodes:

    Lucia:

    #79: Farm First: Lalo Perez on Long-Term Coffee Health

     

    James:

    The Science of Coffee: The Magic of Soils

    The Science of Coffee: Plant Genetics

     

    People mentioned in the episode:

    Fernando Castillo Guatemala

    Paulino Quintero, Colombia

    Orlando Osoria, Colombia

    Julia Ortega, Mexico

    Sergio de la Vequia, Mexico

    Hugo Lopez, Innovakit

    Manuel Mata, Colombia

    Sam Knowlton, Soil Symbiotics

    Lalo Perez, Biofilia 

     

    Resources:

    Anacafe technical management 

    Coffee Cascara Compost Guidelines (English) 

    Compostaje de la pulpa/cáscara de café (Espanol)

    Netafim Drip Irrigation manual

    Innovakit: abonador (fertiliser applicator) 

    Innovakit: aroplateo (tree guard for weed whacking) 

    Innovakit: selector de arvenses (low-drift sprayer)

    Innovakit: canguaro (sleeves) 

    World Coffee Research variety catalogue

    Recommended varieties: Centroamericano, H1, H16, Mundo Maya

    Coffee&Climate Toolbox

    Access Agriculture

    World Coffee Research Resources

    Barista Hustle’s Coffee Farm Management series

     

    The Coffee Producer Toolkit is made possible by these leading coffee organisations:

     

    The Coffee Quest | BWT | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro

     

    Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here.

    Use ProfilePrint to find the coffee your customers loved last year (without a week of cupping!). Use promo code "FILTER" to get 10% off your first year of a Mini Beluga subscription. Click here to discover ProfilePrint's many uses. 

    Support hundreds of thousands of coffee farmers with Fairtrade. Discover how here. 

    Office coffee = easy recurring revenue. WMF’s Elevation 10 and Peak 50 do the work for you. Learn more here. 
     
    What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off.
  • Filter Stories - Coffee Documentaries

    Farming: Water crisis, risky genetics and cash flow crunch

    27/07/2026 | 35 mins.
    This episode explores the growing water crisis in coffee farming, why farmers are drawn to risky coffee varieties and coffee farming's hidden cashflow traps.

    Part of The Coffee Producer Toolkit, a series made in collaboration with Lucia Solis, this series will help you understand coffee farming better than most professionals you'll meet at a trade show.

    Each episode takes one part of the farming business — agronomy, processing, fermentation, storage, quality, sales — and lays out what the best farms are actually doing. 

     

     

    Please spread the word about Filter Stories!

     

    Follow us on Instagram - James (@filterstoriespodcast)  and Lucia (@lluciasolis) - and tag us in an Instagram story. 

     

    Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter

    Stay up to date with Lucia through her newsletter

     

    Write a review on Apple Podcasts

     

    Leave a 5 star rating on Spotify

     

    Support James’ work directly by buying him a coffee at Ko-fi.com/FilterStories

     

    Related podcast episodes:

    Lucia:

    #79: Farm First: Lalo Perez on Long-Term Coffee Health

     

    James:

    The Science of Coffee: The Magic of Soils

    The Science of Coffee: Plant Genetics

     

    People mentioned in the episode:

    Fernando Castillo Guatemala

    Paulino Quintero, Colombia

    Orlando Osoria, Colombia

    Julia Ortega, Mexico

    Sergio de la Vequia, Mexico

    Hugo Lopez, Innovakit

    Manuel Mata, Colombia

    Sam Knowlton, Soil Symbiotics

    Lalo Perez, Biofilia 

     

    Resources:

    Anacafe technical management 

    Coffee Cascara Compost Guidelines (English) 

    Compostaje de la pulpa/cáscara de café (Espanol)

    Netafim Drip Irrigation manual

    Innovakit: abonador (fertiliser applicator) 

    Innovakit: aroplateo (tree guard for weed whacking) 

    Innovakit: selector de arvenses (low-drift sprayer)

    Innovakit: canguaro (sleeves) 

    World Coffee Research variety catalogue

    Recommended varieties: Centroamericano, H1, H16, Mundo Maya

    Coffee&Climate Toolbox

    Access Agriculture

    World Coffee Research Resources

    Barista Hustle’s Coffee Farm Management series

     

    The Coffee Producer Toolkit is made possible by these leading coffee organisations:

     

    The Coffee Quest | BWT | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro

    Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here.

    Use ProfilePrint to find the coffee your customers loved last year (without a week of cupping!). Use promo code "FILTER" to get 10% off your first year of a Mini Beluga subscription. Click here to discover ProfilePrint's many uses. 

    Support hundreds of thousands of coffee farmers with Fairtrade. Discover how here. 

    Office coffee = easy recurring revenue. WMF’s Elevation 10 and Peak 50 do the work for you. Learn more here. 
     
    What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off.
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About Filter Stories - Coffee Documentaries
Coffee stories with an extra shot of history and science. Filter Stories is a podcast revealing coffee’s hidden microscopic secrets, its powerful past, and how your choice of beans impacts tens of millions of people. See the behind-the-scenes stories on Instagram @filterstoriespodcast. If you haven’t already, please subscribe to the show and review us on Apple Podcasts and Spotify!
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