Clara Bennett, CQI Q Grader, SCA Roaster
The Brew Gazette Blog
Sourced statistics pages, plus practical guides and explainers. Our product roundups live under Categories.
Statistics
Every figure links to its primary source. Free to cite, with a CSV download on each page.
Caffeine Statistics 2026
90 sourced caffeine statistics for 2026 from the USDA, FDA, EFSA and US poison centers: daily intake by age, sources, safe limits, withdrawal and overdoses.
90 statistics · Updated Nov 10, 2026
Coffee Production and Consumption by Country 2026
Coffee production and consumption by country, 2026: top producers, biggest drinkers, per capita rankings, exports and imports, from USDA, ICO and FAO data.
89 statistics · Updated Nov 3, 2026
Coffee Consumption Statistics 2026
73 sourced US coffee consumption statistics for 2026 from the NCA, NHANES, USDA and BLS: who drinks coffee, cups per day, age, spending and total volume.
73 statistics · Updated Nov 2, 2026
Coffee Price Statistics 2026
76 sourced coffee price statistics for 2026 from BLS, the ICO, USDA and the World Bank: price per pound, coffee inflation, cafe prices, tariffs and why prices rose.
76 statistics · Updated Nov 2, 2026
Espresso Machines
How to Make Espresso at Home: A Q Grader's Complete Guide
CQI Q Grader and SCA roaster Clara Bennett explains how to make espresso at home: the 18-in, 36-out recipe, grind, puck prep, water, how to read a shot, milk drinks, and the honest no-machine options.
Updated Aug 23, 2026
Espresso vs. Coffee: A Q Grader Explains the Difference Everyone Gets Wrong
CQI Q Grader Clara Bennett settles the espresso vs. coffee debate with real numbers — 9-bar pressure vs. gravity, 8–12% TDS vs. 1.2–1.5%, ~63 mg vs. ~95 mg caffeine — and explains why the difference is the brewing method, not the bean.
Updated Jul 12, 2026
How Much Caffeine Is in Espresso? A Q Grader Settles the Numbers
CQI Q Grader Clara Bennett breaks down exactly how much caffeine is in a single and double espresso, why espresso has less caffeine than a mug of drip despite tasting stronger, and the bean, dose, and roast factors that actually move the number.
Updated Jul 4, 2026
Coffee Grinders
Drip & Pour-Over
Pour Over vs Drip Coffee: A Q Grader on What Actually Changes in the Cup
Pour over vs drip coffee, compared by Q Grader Clara Bennett with SCA numbers: extraction, temperature, grind, caffeine, paper filters, cost and which to buy.
Updated Oct 31, 2026
How to Make Pour-Over Coffee: A Q Grader's Step-by-Step Guide
CQI Q Grader and SCA roaster Clara Bennett explains how to make pour-over coffee at home — the ratio by weight, grind size, water temperature, the bloom, and the pouring technique that turns a good cup into a great one.
Updated Jul 19, 2026
Manual & Specialty Brewers
AeroPress vs. French Press: A Q Grader Explains Which One Belongs on Your Counter
CQI Q Grader Clara Bennett compares AeroPress vs. French press with real numbers: 500-700 vs 1,000-1,400 micron grind, 90 seconds vs 4 minutes, 18-22% yield, and why paper filters change the chemistry.
Updated Sep 13, 2026
How to Use a Moka Pot: A Q Grader's Step-by-Step Guide
CQI Q Grader and SCA roaster Clara Bennett explains how to use a moka pot — the grind size, dose, why she starts with hot water, how to read the gurgle, the heat level that prevents bitterness, and the cleaning routine, plus the extraction science behind every step.
Updated Jul 22, 2026
How to Use a French Press: A Q Grader's Step-by-Step Guide
CQI Q Grader and SCA roaster Clara Bennett breaks down how to use a French press — the ratio by weight, grind size, water temperature by roast, the bloom, steep time, and the plunging technique, plus the extraction science behind every step.
Updated Jun 28, 2026
How to Make Cold Brew Coffee: A Q Grader's Complete Guide
CQI Q Grader and SCA roaster Clara Bennett explains how to make cold brew coffee at home — the ratio by weight, grind, steep time, filtering, and the extraction science behind why cold brew tastes smooth and low-acid.
Updated Jun 25, 2026
Coffee Beans & Roasts
How to Store Coffee Beans: What the Research Actually Says About Freshness
CQI Q Grader Clara Bennett explains how to store coffee beans using the published staling research — why oxygen matters roughly 20 times more than anything else, why the fridge is the one genuinely wrong choice, and what the freezer studies really found.
Updated Sep 6, 2026
Espresso Powder vs. Instant Coffee: What They Actually Are, and When to Swap One for the Other
Q Grader Clara Bennett explains why espresso powder IS instant coffee, gives the real 1.5:1 substitution ratio with the reasoning, and reconciles the caffeine numbers.
Updated Aug 30, 2026
Arabica vs. Robusta: A Q Grader's Honest Guide to the Two Beans in Your Cup
CQI Q Grader Clara Bennett breaks down arabica vs. robusta with real numbers — caffeine, sugars, lipids, chlorogenic acids, altitude, and price — explains why robusta makes thicker crema (and why that isn't better), and shows how to read a blend label.
Updated Aug 9, 2026
Brewing Accessories
Maintenance & Cleaning
How to Descale an Espresso Machine: A Q Grader's Guide
CQI Q Grader Clara Bennett explains how to descale an espresso machine properly: the right citric acid ratio, why vinegar can void a Breville warranty, the exact button sequences for Breville, De'Longhi, Philips and Nespresso, and why the descale light sometimes refuses to go out.
Updated Sep 20, 2026
How to Clean a Coffee Maker: A Q Grader's Complete Guide
CQI Q Grader and SCA roaster Clara Bennett explains how to clean a coffee maker the right way — the vinegar descaling routine, how often to do it, cleaning a drip machine vs a Keurig-style single-serve, the parts people forget, and why a dirty brewer quietly ruins good beans.
Updated Aug 3, 2026