Filter Stories - Coffee Documentaries
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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!
Afleveringen
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Producer Toolkit: Storage, Pt 2 - Why plastics are not all equal
26 oktober 2026 · 29 min
This episode explores the black box between coffee leaving the farm and the roaster's warehouse, and how quality can be ruined. Wrapping the coffee in any old plastic bag won't do. We get geeky looking at how hermetic bags like GrainPro actually work. Lees meer
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.
Related podcast episodes:
Lucia:
#68: Fermentation vs. Germination: A Look at The Seed From The Inside, Out (Flávio Borém's drying research and how drying works)
James:
Filter Stories: Farm to Port – Why Specialty Costs More
Filter Stories: Freshness and Grinding, Pt 1 (oxidation, diffusion and how to store coffee)
Follow us through our newsletters and Social media:
Lucia's Newsletter
James's Newsletter
Lucia Instagram
James' Filter Stories Instagram
People mentioned in the episode:
Ronald de Hommel — The Coffee Quest
Paulino Quintero — Huila, Colombia
Gilberto Baraona — Los Pirineos, Usulutan, El Salvador
Marvin Tala — Engineering Department head, GrainPro Philippines
Hazel Valera — COO, GrainPro Philippines
Resources:
GrainPro hermetic bags, container liners
NKG / GrainPro bag recycling
How to Protect Coffee Against Container Rain
Data loggers
Cover art: Nick Hafner
The Coffee Producer Toolkit is made possible by these leading coffee organisations:
The Coffee Quest | BWT water+more | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro
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. Di…
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Producer Toolkit: Storage, Pt 1 - How coffee gets ruined on the farm
26 oktober 2026 · 24 min
This episode explores the many ways coffee can get ruined while still on the farm, including fishy concrete tanks, the importance of not using jute sacks to collect coffee cherries, and solutions to unpredictable rains ruining coffee drying on the patio. Lees meer
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.
Related podcast episodes:
Lucia:
#68: Fermentation vs. Germination: A Look at The Seed From The Inside, Out (Flávio Borém's drying research and how drying works)
James:
Filter Stories: Farm to Port – Why Specialty Costs More
Filter Stories: Freshness and Grinding, Pt 1 (oxidation, diffusion and how to store coffee)
Follow us through our newsletters and Social media:
Lucia's Newsletter
James's Newsletter
Lucia Instagram
James' Filter Stories Instagram
People mentioned in the episode:
Orlando Osorio — La Primavera, Huila, Colombia
Thai Dang — 96B Cafe and Roastery, Ho Chi Minh City, Vietnam
Flávio Borém — UFLA, Brazil
Resources:
Perforated harvest baskets/crates
GrainPro Collapsible Dryer Case
Dryer PDF (full spec table)
Borém's intermittent drying research
Cover art: Nick Hafner
The Coffee Producer Toolkit is made possible by these leading coffee organisations:
The Coffee Quest | BWT water+more | Descamex | InterAmerican | Pinhalense | Novonesis | GrainPro
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.
What kind of racing car does the Gaggia Classic GT home espresso machine …
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Producer Toolkit: Quality Assurance, Pt 2 - The basics of good water for coffee
12 oktober 2026 · 42 min
This episode takes you through the basics of good water for coffee. Lees meer
To objectively assess a coffee's quality, both producer and buyer need to taste it using the same water. But whose water standards should you choose? Why do roasters often get to define what the "right" water is? What would the coffee world look like if producers set quality standards instead of roasters?
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.
Related podcast episodes:
James:
Filter Stories: How Heat Transforms Coffee Beans
Filter Stories: How to Be a Better Taster
Filter Stories: Getting Great Water, Step by Step
Follow us through our newsletters and Social media:
Lucia's Newsletter
James's Newsletter
Lucia Instagram
James' Filter Stories Instagram
People mentioned in the episode:
Karla Boza — Jacinta Y Su Cafe, San Benito, El Salvador
Paulino Quintero — Huila, Colombia
Jesús Antonio Chala — Finca El Silencio, Colombia
Thompson Owen — Sweet Maria's Coffee, USA
Lahari Balireddi — ASG Coffee, Kenya
Manuel Barsallo — Agrícola Geisha, Panama
Lorenz Haschka — BWT water+more
Resources:
Video: How to Make Cold Brew
Physical Coffee Diary
Digital App: Coffee Brew Log
Digital App: Tasting Notes
Sweet Maria's guide to roasting in a pan or popper, with video
Sweet Maria's roasting on a pan or popper tip sheet
Sweet Maria's air popper resources and video
Filter Stories guide: Roasting your own coffee (English)
Guía de Filter Stories: Cómo tostar tu propio café (en español)
Guide to getting a good sample roast
Video: How to Cup Coffee at Home
SCA Cupping Workshop
Video: How to use an Alkalinity Dropper Kit
Buy a water test kit
SCA Water Control Chart
Water calc…
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Producer Toolkit: Quality Assurance, Pt 1 - A practical guide to tasting and roasting coffee
12 oktober 2026 · 30 min
This episode is a practical guide to tasting coffee, sample roasting and judging quality, built for small producers on a tight budget. That makes it just as useful if you’re early in your coffee journey and want to learn the basics without spending thousands on equipment, starting with a frying pan or a $30 popcorn popper. Lees meer
If you work in coffee, it reveals the obstacles producers face when they try to discuss quality on equal terms with buyers in the global north.
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.
Related podcast episodes:
James:
Filter Stories: How Heat Transforms Coffee Beans
Filter Stories: How to Be a Better Taster
Filter Stories: Getting Great Water, Step by Step
Follow us through our newsletters and Social media:
Lucia's Newsletter
James's Newsletter
Lucia Instagram
James' Filter Stories Instagram
People mentioned in the episode:
Karla Boza — Jacinta Y Su Cafe, San Benito, El Salvador
Paulino Quintero — Huila, Colombia
Jesús Antonio Chala — Finca El Silencio, Colombia
Thompson Owen — Sweet Maria's Coffee, USA
Lahari Balireddi — ASG Coffee, Kenya
Manuel Barsallo — Agrícola Geisha, Panama
Lorenz Haschka — BWT water+more
Resources:
Video: How to Make Cold Brew
Physical Coffee Diary
Digital App: Coffee Brew Log
Digital App: Tasting Notes
Sweet Maria's guide to roasting in a pan or popper, with video
Sweet Maria's roasting on a pan or popper tip sheet
Sweet Maria's air popper resources and video
Filter Stories guide: Roasting your own coffee (English)
Guía de Filter Stories: Cómo tostar tu propio café (en español)
Guide to getting a good sample roast
Video: How to Cup Coffee at Home
SCA Cupping Workshop
Video: H…
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Producer Toolkit: Price, Pt 2 - Discovering the true value of coffee
28 september 2026 · 49 min
What is the right price for coffee? This episode shows what the journey of price discovery looks like from the perspective of a coffee farmer. Lees meer
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.
Related podcast episodes:
Lucia:
#64: "What Kind of Coffee Lover am I? How Much am I Willing to Pay for a Cup of Coffee?"
James:
Filter Stories: The Hard Business of Selling Beautiful Coffee
Follow us through our newsletters and Social media:
Lucia’s Newsletter
James’s Newsletter
Lucia Instagram
James’ Filter Stories Instagram
People mentioned in the episode:
Karla Boza — Jacinta Y Su Cafe, San Benito, El Salvador
Julia Ortega, Finca Los Pinos, Puebla Mexico
Edilberto Tovar — Finca La Esmeralda, Huila, Colombia
Melissa de Gasperín — Rancho San Felipe, Veracruz, Mexico
Diego Robelo — Aquiares Estate, Turrialba, Costa Rica
Cristian Reyes — Finca El Rodeo, Santander, Colombia
César Marín — Chacra D'Dago, Peru
Gilberto Baraona — Los Pirineos, Usulutan, El Salvador
Lalo Perez, Biofilia
ASOPEP, Planadas, Tolima, Colombia
Piedras Azules cooperative, El Salvador
Agnes Thieleke, InterAmerican Coffee Europe
Resources:
Record keeping and profitability analysis
V-Hub (formerly Cropster Hub)
Coffee Yield Calculator
Cost-of-production calculator
Fairtrade Verified Living Income reference prices
Specialty Coffee Transaction Guide
Chad Trewick interview on Bellwether podcast
Heifer / ASOPEP / Fairtrade Tolima living income study
Book: The Culture Map by Erin Meyer
Cover art: Nick Hafner
The Coffee Producer Toolkit is made possible by these leading coffee organisations:
The Coffee Quest | BWT water+more | Descamex | InterAmerican | Pinhalense | Novonesi…
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Producer Toolkit: Price, Pt 1 - How the commodity 'C' market works
28 september 2026 · 41 min
This episode explores the strange world of the C market, where movements in the Brazilian currency or rebels boarding a random container ship decide the worth of a Colombian farmer's coffee. Yet specialty coffee still uses this number to price the coffees it says are anything but a commodity. Lees meer
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.
Related podcast episodes:
Lucia:
#64: "What Kind of Coffee Lover am I? How Much am I Willing to Pay for a Cup of Coffee?"
James:
Filter Stories: The Hard Business of Selling Beautiful Coffee
Follow us through our newsletters and Social media:
Lucia’s Newsletter
James’s Newsletter
Lucia Instagram
James’ Filter Stories Instagram
People mentioned in the episode:
Karla Boza — Jacinta Y Su Cafe, San Benito, El Salvador
Julia Ortega, Finca Los Pinos, Puebla Mexico
Edilberto Tovar — Finca La Esmeralda, Huila, Colombia
Melissa de Gasperín — Rancho San Felipe, Veracruz, Mexico
Diego Robelo — Aquiares Estate, Turrialba, Costa Rica
Cristian Reyes — Finca El Rodeo, Santander, Colombia
César Marín — Chacra D'Dago, Peru
Gilberto Baraona — Los Pirineos, Usulutan, El Salvador
Lalo Perez, Biofilia
ASOPEP, Planadas, Tolima, Colombia
Piedras Azules cooperative, El Salvador
Agnes Thieleke, InterAmerican Coffee Europe
Resources:
Record keeping and profitability analysis
V-Hub (formerly Cropster Hub)
Coffee Yield Calculator
Cost-of-production calculator
Fairtrade Verified Living Income reference prices
Specialty Coffee Transaction Guide
Chad Trewick interview on Bellwether podcast
Heifer / ASOPEP / Fairtrade Tolima living income study
Book: The Culture Map by Erin Meyer
Cover art: Nick Hafner
The Coffee Produce…
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Producer Toolkit: Marketing & Sales, Pt 2 - Navigating trade shows
14 september 2026 · 43 min
This episode explores what a trade show actually feels like for a farmer who flew in on money his community pooled together, why a sausage dog opened a door that hundreds of cold emails couldn't, and why learning English may be a better investment for a farmer than a longer fermentation. Lees meer
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.
Related podcast episodes:
Lucia:
#54: Visiting Producers, Advanced Tourism & The Coffee Hunter (farm visits, the buyer relationship)
#56: Pranoy Thipaia (finding export markets, expo advice)
#65: To Blend or Not to Blend? Wine Vintages, and Harvest Update (sales strategy, consistency over novelty)
Cabal Cafe Podcast en Espanol
James:
Filter Stories: The Hard Business of Selling Beautiful Coffee
Follow us through our newsletters and Social media:
Lucia’s Newsletter
James’s Newsletter
Lucia Instagram
James’ Filter Stories Instagram
People mentioned in the episode:
Diego Robelo — Aquiares Estate, Turrialba, Costa Rica
Cristian Reyes — Finca El Rodeo, Santander, Colombia
Cristian Reyes — Personal Instagram
Catherine Bedoya — Eje Cafetero, Colombia
Hamsini Appadurai — Sangameshwar Coffee Estates, Chikmagalur, India
Melissa de Gasperín — Rancho San Felipe, Veracruz, Mexico
Edilberto Tovar — Finca La Esmeralda, Huila, Colombia
Desnudo Coffee (Austin) — Austin, Texas, USA
Alejandro Rodríguez Delgado — Hacienda San Pedrito, Puerto Rico
César Marín — Chacra D'Dago, Peru
Karla Boza — Jacinta Y Su Cafe, San Benito, El Salvador
Resources:
Algrano — Producer Sign Up
The list of 144 international trade shows
Clases Gratis de Inglés en linea - USA Learns
Clases Gratis de Inglés en linea - Voa News
English Accent T…
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Producer Toolkit: Marketing & Sales, Pt 1 - The power of story
14 september 2026 · 37 min
This episode explores why specialty coffee is a luxury business that runs on story more than flavour. Lees meer
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.
Related podcast episodes:
Lucia:
#54: Visiting Producers, Advanced Tourism & The Coffee Hunter (farm visits, the buyer relationship)
#56: Pranoy Thipaia (finding export markets, expo advice)
#65: To Blend or Not to Blend? Wine Vintages, and Harvest Update (sales strategy, consistency over novelty)
Cabal Cafe Podcast en Espanol
James:
Filter Stories: The Hard Business of Selling Beautiful Coffee
Follow us through our newsletters and Social media:
Lucia’s Newsletter
James’s Newsletter
Lucia Instagram
James’ Filter Stories Instagram
People mentioned in the episode:
Diego Robelo — Aquiares Estate, Turrialba, Costa Rica
Cristian Reyes — Finca El Rodeo, Santander, Colombia
Cristian Reyes — Personal Instagram
Catherine Bedoya — Eje Cafetero, Colombia
Hamsini Appadurai — Sangameshwar Coffee Estates, Chikmagalur, India
Melissa de Gasperín — Rancho San Felipe, Veracruz, Mexico
Edilberto Tovar — Finca La Esmeralda, Huila, Colombia
Desnudo Coffee (Austin) — Austin, Texas, USA
Alejandro Rodríguez Delgado — Hacienda San Pedrito, Puerto Rico
César Marín — Chacra D'Dago, Peru
Karla Boza — Jacinta Y Su Cafe, San Benito, El Salvador
Resources:
Algrano — Producer Sign Up
The list of 144 international trade shows
Clases Gratis de Inglés en linea - USA Learns
Clases Gratis de Inglés en linea - Voa News
English Accent Training
The SCA Coffee Value Assessment, Extrinsic Criteria List
PDFs of CVA Form in 7 languages
The Coffee Producer Toolkit is made possible by these leading coffee organisations:
Th…
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Producer Toolkit: Fermentation, Pt 3 - Is using yeast cheating? And who decides?
24 augustus 2026 · 33 min
This episode explores why 30 cents a kilo is trivial for a large farm and unaffordable for a small one, the strange power imbalance that lets roasters define quality when nobody asks a winemaker what yeast they used, and how producers can talk to buyers who think starter cultures are cheating. Lees meer
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:
#72: Planning Your First Coffee Fermentation Trials? Start Here.
#76: How Commercial Microbes Threaten The Coffee Industry
#80: How Microbiology Can Explain Beginner's Luck
James:
Filter Stories - Coffee Quality, Part 1: The birth of specialty coffee flavours
People mentioned in the episode:
Lester Lerner, Old Willow Coffee, Colombia
Victor Chala, Palma Rosa, Colombia
Fridolin Stocker— Mount Sunzu, Zambia
Shyira washing station, Rwanda
Evangelos Filippatos, La Cabra
La Cabra, Copenhagen
Helen Riley — Novonesis
Gunne Øregaard — Novonesis
Franz Zeimetz — Lost Origin Coffee Labs, Panama
Alejandra Rodríguez Delgado — Hacienda San Pedrito, Puerto Rico
Gustavo Arroyo — Rancho Contento, Puerto Rico
Resources:
pH meter & buffer
Thermometer
Novonesis Pichia yeast
Novonesis Lactobacillus bacteria
Pressure washer
Fermentation Log …
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Producer Toolkit: Fermentation, Pt 2 - The case for avoiding exciting fermentations
24 augustus 2026 · 36 min
This episode explores why the specialty industry's obsession with exotic processing is a dangerous signal for farmers, five ways commercial microbes can make a farm more money, and what a well-run fermentation looks like on farms of very different sizes. Lees meer
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:
#72: Planning Your First Coffee Fermentation Trials? Start Here.
#76: How Commercial Microbes Threaten The Coffee Industry
#80: How Microbiology Can Explain Beginner's Luck
James:
Filter Stories - Coffee Quality, Part 1: The birth of specialty coffee flavours
People mentioned in the episode:
Lester Lerner, Old Willow Coffee, Colombia
Victor Chala, Palma Rosa, Colombia
Fridolin Stocker— Mount Sunzu, Zambia
Shyira washing station, Rwanda
Evangelos Filippatos, La Cabra
La Cabra, Copenhagen
Helen Riley — Novonesis
Gunne Øregaard — Novonesis
Franz Zeimetz — Lost Origin Coffee Labs, Panama
Alejandra Rodríguez Delgado — Hacienda San Pedrito, Puerto Rico
Gustavo Arroyo — Rancho Contento, Puerto Rico
Resources:
pH meter & buffer
Thermometer
Novonesis Pichia yeast
Novonesis Lactobacillus bacteria
Pressure washer
Fermentation Log Sheet
Yeast’s impact on the environment…
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- Categorieën
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- 26 oktober 2026
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