I'm at a really good place, but my espresso tastes really acidic/sour, is it supposed to be like that? : r/barista
Sour Espresso Shot! - Why And How To Fix It! - Latte Love Brew
Adjusting flow rather than dose & grind
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Dialing in Espresso in Three Shots » CoffeeGeek
Why does coffee shop espresso taste sour and overpowering? : r/Coffee
Sour Espresso Shots: A Coffee Trainers Guide
Ask Gail: Bitter and Sour Espresso Shots! | Seattle Coffee Gear
Ask Gail: How To Fix A Sour Espresso Shot - YouTube
Ask Gail: How To Fix A Sour Espresso Shot - YouTube
How to Fix a Sour Espresso - Breville Barista Express - YouTube
Why Is My Espresso Bitter or Sour? – LuxHaus
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Espresso always sour - Espresso Machines
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