Category: Brew

Do you know that feeling? You’ve just brought home a fresh bag of promising beans, eager for that first satisfying cup. But then… the flavour falls flat – weak, bitter, or just plain disappointing. Chances are, the issue is smaller than you'd think: the coffee grind.

Whether you're after a punchy espresso or a bright, clean filter brew, everything starts with the right coffee grind. The grind size has a massive impact on flavour, aroma and body – it can make or break your cup.

In this guide, we’ll walk you through which coffee grind is best for each brew method, and why it matters so much. You’ll also get practical tips to fine-tune your brewing at home. Because the grind isn’t just a detail – it’s the foundation of a truly great coffee experience.

Why Does the Coffee Grind Matter So Much?

Imagine pouring water over ground coffee. The grind particles are like tiny flavour sponges. The size of the grind determines how easily the water can extract all the goodness locked inside.

• Coarse grind → fast flow, less extraction: Water runs quickly through larger particles, picking up fewer flavours and aromas. This can lead to a weak, watery or overly acidic cup – as acidity is often the first element extracted.
• Fine grind → slow flow, more extraction: Water has more contact time with smaller particles, pulling out more flavour. But if the grind is too fine, it can extract unwanted bitter compounds, leaving you with a harsh, over-extracted brew.

Using the wrong coffee grind for your brewing method often results in a cup that’s off-balance – too sour, too bitter, or just lacking depth. Even the most exclusive single finca coffee beans won't shine unless the grind is right.

Barista tip: Always grind your beans just before brewing. A fresh coffee grind makes all the difference – unlocking layers of aroma and flavour.

COARSE GRIND

Texture: Coarse coffee grind resembles coarse sea salt or crushed peppercorns. The individual particles are easy to see and feel gritty between your fingers. Because of their size, there’s less surface area in contact with water, which slows extraction.

Best for:

• French Press (Cafetière): The metal mesh filter of a French Press pairs well with a coarse grind. It prevents fine particles from slipping through and clouding your cup. The longer brewing time (around 4 minutes) is perfectly balanced by the slower extraction of a coarse coffee grind – delivering a full-bodied cup without bitterness.
• Percolator: Percolators repeatedly cycle hot water through the coffee grounds. A coarse grind helps avoid over-extraction and bitterness during the extended brewing process.
• Cold Brew: Cold brew involves steeping coffee in cold or room-temperature water for 12 to 24 hours. A coarse coffee grind slows extraction and reduces the risk of bitter or harsh flavours. The large particles release their flavour gently, resulting in a smooth, mellow brew.

A coarse coffee grind is ideal for methods with longer water contact time. The slower extraction minimises the risk of over-extraction and unpleasant bitterness.

MEDIUM GRIND

Texture: Similar in consistency to granulated sugar or fine sand. It’s finer than a coarse grind but still grainy. The smaller size offers more surface area, enabling faster extraction – perfect for most standard brew methods.

Best for:

• Drip Coffee Makers (Standard Filter Machines): These machines pass hot water through coffee for just a few minutes. A medium coffee grind matches that brew time, allowing for balanced flavour and good body.
• Pour Over (V60, Chemex, Kalita Wave): With pour over methods, you control the pour speed and timing. A medium grind offers a versatile base – adjust your pouring style or grind slightly finer or coarser to bring out specific flavour notes.
• AeroPress: The AeroPress allows for multiple styles. A medium coffee grind gives you the flexibility to brew a short, intense cup or a slower, more delicate filter-style coffee – all depending on your technique and steep time.

A medium coffee grind strikes a balance between extraction time and flavour development. It’s versatile, forgiving, and perfect for everyday brewing.

FINE GRIND

Texture: A fine coffee grind feels like soft sand or table sugar – almost powdery, with barely visible particles. It offers the largest surface area for water to interact with, resulting in fast and intense extraction.

Best for:

• Espresso Machines: Espresso is brewed under pressure and in a very short time (around 25–30 seconds). A fine grind creates enough resistance for the water to extract bold flavour and aroma efficiently.
• Moka Pot (Stovetop Espresso): Moka pots use steam pressure to push water through the coffee. A fine grind helps create the right pressure resistance and delivers a concentrated, espresso-like cup.

Fine coffee grind is essential for brewing methods that rely on pressure and speed. It ensures the short contact time is still enough to deliver rich, complex flavour.

Nailing the Right Coffee Grind – What to Watch For

Issue	Likely Cause	Solution
Sour, watery taste	Grind too coarse	Try a finer grind
Bitter, harsh flavour	Grind too fine	Try a coarser grind
Slow brewing	Grind too fine or too much coffee	Use a coarser grind or less coffee
Fast brewing	Grind too coarse or not enough coffee	Use a finer grind or more coffee

Experiment tip: Change just one variable at a time – either the grind or the dose – so you can clearly track what’s affecting your brew.

Now that you understand how the coffee grind influences your brew, you can truly get the most out of your beans. Whether you favour French Press, filter, or espresso, the right grind is what brings it all together. Experiment, taste, adjust – and enjoy the process of discovering your ideal coffee grind.

---

Curious which coffee grind is right for your brew method or flavour preference?
Explore our webshop for coffee beans available in different grinds – or drop us a message for personalised advice.