Guides

How to use an AeroPress: add medium-fine ground coffee (15–18g) to the chamber, pour in 200–220ml of water at 85–96°C, stir, wait 1–2 minutes, then press slowly for 20–30 seconds. The AeroPress is the most versatile and forgiving brewer in home coffee. It produces a clean, smooth, concentrated cup in under 3 minutes, tolerates a wide range of variables, and is nearly impossible to break. Whether you want espresso-style concentrate, American-style coffee, or something in between — the AeroPress can do it. ...

To use a French press: add coarsely ground coffee at a 1:15 ratio (1g coffee per 15g water), pour hot water at 200°F (93°C), stir, steep for 4 minutes, then press the plunger down slowly and pour immediately. That’s the core process. The rest of this guide covers why each step matters, how to dial in your ratio and grind, and how to fix the most common French press problems. ...

Siphon coffee (also called vacuum coffee) is a brewing method that uses heat and vacuum pressure to pull water through coffee grounds, producing an exceptionally clean, bright, and flavorful cup. The siphon coffee maker looks like something out of a chemistry lab — two glass chambers stacked vertically, a heat source below, and coffee rising and falling in a process that’s equal parts science experiment and brewing ritual. The result? One of the clearest, most complex cups of coffee possible without espresso equipment. ...

Arabica coffee is sweeter, more nuanced, and generally considered higher quality. Robusta is stronger, more bitter, and contains nearly twice as much caffeine. Most specialty coffee — including the beans you’d buy from a roaster for home espresso — is 100% Arabica. Robusta appears most often in blends, instant coffee, and Italian-style espresso for its crema and caffeine kick. Arabica vs Robusta at a Glance Arabica Robusta Flavor Sweet, complex, fruity/nutty, low bitterness Strong, bitter, earthy, woody Caffeine 1.2–1.5% of bean weight 2.2–2.7% of bean weight Acidity Higher, brighter Lower, flat Crema (in espresso) Thinner, lighter Thicker, darker, more persistent Growing altitude 600–2000m (high altitude) 0–800m (lowland) Price More expensive Cheaper Where it’s used Specialty coffee, single origins, premium blends Instant coffee, Italian espresso blends, budget beans % of global production ~60% ~40% Flavor Differences Arabica produces a wide range of flavor profiles depending on origin and roast: ...

The standard coffee to water ratio is 1:15 to 1:18 (1g of coffee per 15–18g of water) for most brewing methods. Espresso is the exception — it uses a much more concentrated 1:2 ratio (1g coffee per 2g water). Getting the ratio right is the single most reliable way to brew consistently great coffee at home. Quick-Reference Ratio Table Brewing Method Coffee Water Ratio Strength Espresso (double) 18g 36g 1:2 Very concentrated Ristretto 18g 22g 1:1.2 Extra concentrated Lungo 18g 54g 1:3 Long, thinner Drip / Filter 15g 250g 1:16 Standard French Press 15g 250g 1:16 Full-bodied Pour Over 15g 250g 1:16 Clean, bright AeroPress 15g 200–250g 1:13–1:17 Flexible Moka Pot 20g 300g 1:7 Concentrated Cold Brew 100g 700g 1:7 Concentrated (dilute before serving) All weights in grams. Measure by weight, not volume, for consistent results. ...

The standard cold brew ratio is 1:8 — 1 gram of coffee for every 8 grams of water. For cold brew concentrate (which you dilute before drinking), use a stronger 1:4 ratio. A 1-liter batch at 1:8 uses 125g of coarsely ground coffee; a concentrate batch at 1:4 uses 250g. Cold Brew Ratio Quick Reference Style Coffee Water Ratio Serve As Regular strength 125g 1000g (1L) 1:8 Drink straight over ice Regular strength 63g 500g (500ml) 1:8 Half batch Concentrate 250g 1000g (1L) 1:4 Dilute 1:1 with water or milk Concentrate (medium) 167g 1000g (1L) 1:6 Dilute 1:0.5 (2 parts cold brew, 1 part water) All weights in grams. Measure by weight for consistency. ...

The standard French press ratio is 1:15 — 1 gram of coffee for every 15 grams of water. For a classic 12oz (350ml) French press, that’s about 23 grams (roughly 3.5 tablespoons) of coarsely ground coffee. This ratio gives you a full-bodied, balanced cup that’s neither weak nor overwhelmingly strong. French Press Ratio by Cup Size Use this table as your starting point. Measure by weight for consistency — volume measurements (tablespoons, scoops) vary too much by grind size. ...

To use a moka pot: fill the bottom chamber with cold water to just below the safety valve, add medium-fine ground coffee to the filter basket (level, not packed), screw on the top chamber, and heat over low-medium heat until coffee flows into the top. Remove from heat when the flow turns to a gurgling sputter. It sounds simple — and it is — but a few details make the difference between rich, smooth stovetop coffee and bitter, harsh brew. Here’s the full guide. ...

To use an espresso machine: warm it up for 15–20 minutes, grind 18g of coffee to a fine consistency, fill and tamp the portafilter, then pull a shot for 25–35 seconds targeting 36g of liquid espresso out. That’s the core loop — every variable you’ll ever adjust fits within this framework. This guide walks you through the complete process, step by step, so you can pull a great shot on your first try and know exactly how to improve if something’s off. ...

The standard pour over coffee ratio is 1:15 to 1:17 — 1 gram of coffee for every 15–17 grams of water. For a 12 oz (340 ml) cup, that’s roughly 20–23 grams of coffee. Adjust toward 1:15 for a stronger cup, toward 1:17 for a lighter one. Different pour over methods have their own ideal ratios based on how they extract. Here’s the complete reference guide. Quick Reference Table: Ratios by Brew Method Method Ratio (coffee:water) For 300 ml water For 500 ml water Drip / auto-drip 1:15–1:17 18–20 g 29–33 g Pour over (general) 1:15–1:17 18–20 g 29–33 g Hario V60 1:15–1:16 19–20 g 31–33 g Chemex 1:15–1:17 18–20 g 29–33 g Kalita Wave 1:15–1:16 19–20 g 31–33 g AeroPress (standard) 1:12–1:16 19–25 g 31–42 g AeroPress (concentrate) 1:6–1:8 38–50 g 63–83 g French press 1:15–1:17 18–20 g 29–33 g Cold brew (regular) 1:8 38 g 63 g Drip Coffee Ratio Standard drip coffee ratio: 1:15 to 1:17 ...