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

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

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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.

Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here. How does Perfect Moose detect what kind of milk is in the pitcher? Click here to find out. What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off. What does the Marco MilkPal look like to you? WALL-E? Something Steve Jobs would be proud of? Check it out here.

Episoder(74)

Is your coffee building Trump’s Wall? Part 4: The Rich and the Marginalised

Is your coffee building Trump’s Wall? Part 4: The Rich and the Marginalised

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequalit...

25 Nov 201922min

Is your coffee building Trump’s wall? Part 3: Requiem for a Coffee Republic

Is your coffee building Trump’s wall? Part 3: Requiem for a Coffee Republic

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequalit...

20 Nov 201925min

Is your coffee building Trump’s wall? Part 2: El Savage

Is your coffee building Trump’s wall? Part 2: El Savage

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequali...

12 Nov 201924min

Is your coffee building Trump’s wall? Part 1: A tale of two El Salvadors

Is your coffee building Trump’s wall? Part 1: A tale of two El Salvadors

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore stories of El Salvador. We confront massacres, wide inequali...

7 Nov 201927min

Big and Small in El Salvador: Part 3

Big and Small in El Salvador: Part 3

We meet a man who came from humble beginnings who has achieved what Armando and Maria have only ever dreamed about. ——————————— Taste Maria’s coffee and support Filter Stories by joining the Indieg...

17 Sep 201918min

Big and Small in El Salvador: Part 2

Big and Small in El Salvador: Part 2

Imagine you’re a coffee buyer on a mission to buy Salvadoran coffee. We visit Armando and Maria’s farms. Which farm would you choose to buy from? ——————————— Taste Maria’s coffee by joining the Filt...

20 Aug 201927min

Big and Small in El Salvador: Part 1

Big and Small in El Salvador: Part 1

20 years ago specialty coffee patted itself on the back for saving coffee farmers, both big and small, from the misery of low coffee prices. But what's it like for a small coffee farmer getting into...

5 Aug 201927min

Unseen Bean: Part 2

Unseen Bean: Part 2

Gerry's cafe failed. We investigate why by putting ourselves in Gerry's shoes and experiencing the coffee world as a blind man. ——————————— Gerry’s roastery: http://www.theunseenbean.com/ More Pi...

1 Jul 201921min

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