Water Science FAQ

Water Science FAQ

What is the difference (if any) between a mineral salt, a dissolved mineral, and a mineral ion? A salt, in chemistry, refers to any ionic compound (IUPAC, 1990). For example, table salt, sodium chloride, is an ionic compound composed of sodium (Na+) and chloride (Cl-)...

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‘Seasoning’ Group Heads: Useful or Nonsense?

‘Seasoning’ of a group head refers to the practice of making one or more ‘sink shots’ after cleaning an espresso machine - that is, shots that are thrown away with no attempt to taste them. Advocates of seasoning claim that the first shots have an unpleasant metallic...

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The Great Distribution Debate: Results

The Great Distribution Debate: Results

Tldr: we found a statistical difference between using the OCD and finger distribution, and between palm tapping and finger distribution — but no significant difference between palm tapping and OCD. But we’re going to continue researching and have some cool ideas for the next experiment.

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2017 Predictions and Promises Report

At the beginning of 2017 I posted my predictions and promises for the year. Here’s my report on how they stood up over the 12 months (ratings out of 10).

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2018 Promises

Here’s what I’m promising we’ll knock out of the park for 2018.

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August Survey Results 2017

August Survey Results 2017

In August we posted a survey to the Barista Hustle Facebook group. Along with our community moderators, we were thinking how to be more active and intentional about fostering a community environment, one which every single human feels safe and comfortable participating in.

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Keep It Simple

Keep It Simple

Coffee brewers— both professional and enthusiast— love to make things complicated. Complex multi-step brew recipes and brewing devices with some unique feature have become standard. Fancy new features on espresso or brewing machines are demanded without any evidence of their necessity (hello pressure profiling).

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Barista Hustle Community Guidelines

Barista Hustle Community Guidelines

We aim to engage in meaningful, professional, friendly discussions surrounding coffee. A fundamental goal of Barista Hustle is to help the world make better coffee — and there is a lot that falls under that umbrella. So we want to talk about the deep and meaningful, the scientific and technical, the broader industry-wide topics, and the smaller individual level aspects. We want to talk about all the important stuff.

To enable these conversations to happen in a positive, respectful, and equitable manner, we have a few guidelines.

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The Great Distribution Tool Debate

The Great Distribution Tool Debate

Two months ago I was embroiled in a twitter battle for three tweets about distribution tools. Note I didn’t say they don’t work. I just wanted (and still want) empirical evidence that they do. Please also note I’m not attacking any singular product; I was asking for evidence for *any* of the available distribution tools. The goal here is truth…

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Coffee Is the Leased of Your Worries …

Coffee Is the Leased of Your Worries …

While extraction theory, EK alignment, and particle size distribution are all worthy topics of discussion here at Barista Hustle, these all mean nothing if you’ve not got a shop to experiment in. Jared Lawler gives us a fascinating view on the business side of coffee, with a solid list of points to consider.

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DIY Water Recipes: The World In Two Bottles

DIY Water Recipes: The World In Two Bottles

Our Barista Hustle water recipe was and is a useful starting point for building water, giving you a good chance of success when brewing up coffee at home. For those willing to dive a little deeper, we can get far more specific. The math can get rather complicated so we’ll spare the details until another time. The motivating factor here…

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Immersion vs Drip Coffee Brewers

Immersion vs Drip Coffee Brewers

 

There are two main types of coffee brewer – drip, and immersion. They each make coffee slightly differently, but one of them is far more efficient. Here’s why!

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DIY Extraction Tasting

DIY Extraction Tasting

Help develop your palate by trying this simple experiment that will allow you to taste differences in espresso extractions side by side

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Strength Calculators

These interactive calculators will help you understand the effect of adding water to coffee from the perspective of strength (Total Dissolved Solids, or concentration

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Cowculator

Cowculator

 

The Cowculator figures out the precise breakdown of coffee, fat, protein and sugar in your milky drinks.

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Consulting

Information on consulting services offered by Barista Hustle

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Barista Hustle Slack

The BH Slack has been suspended.  Turns out thousands of people in Slack isn't conducive to productive conversations. We'll see you on instagram though! 🙂

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2017 Predictions and Promises

2017 is shaping up to be a massive year for Barista Hustle and the coffee community at large. The following is a few of my predictions and promises for this year and beyond.

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