Coffee Guides

Coffee grader comparing samples at a sensory table
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Specialty Coffee Grade: Why Buyers Need More Than 100 Points

The SCA’s Coffee Value Assessment moves beyond a single score out of 100. Learn what...
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Home brewer tasting coffee before adjusting a brew
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Sour Coffee at Home: Test One Brewing Change at a Time

Sour coffee usually points to under extraction. Learn how grind, brew time, water, roast, and...
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Customer tasting coffee at a neighborhood bar
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Organic vs. Conventional Coffee: Certification Doesn’t Set Flavor

USDA rules for coffee restrict inputs and require audits, but they do not promise better...
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Coffee cherries fermenting in a processing vessel
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Roasters, Control Yeast Fermented Coffee Flavor in 24 to 72 Hours

Research rooted guide for roasters and specialty producers on selected yeast and 24–72 hour ferments...
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Home coffee taster comparing six cupping bowls
coffee cupping at home

30–45 Minutes: Cupping 2–6 Coffees at Home With Pods & Beginners' Gear

Learn a repeatable coffee cupping method at home. Compare 2–6 coffees in 30–45 minutes using...
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Broken Top coffee pod beside brewing cup
coffee pods caffeine

19–208 mg: Lab backed Caffeine Rules for Coffee Pods and FDA Limits

Lab tests show pod caffeine spans 19–208 mg. See how that fits the FDA's 400...
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Home brewer grinding fresh coffee beans
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Home Brewers: Whole Beans Peak 2–3 Weeks; Grounds Peak 15–30 Minutes

Evidence-backed advice for home brewers: when to buy whole beans or pre ground, what brew...
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Coffee buyer comparing certified coffee bags
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Research Backed: Rainforest Alliance vs Fairtrade for Coffee Buyers

Compare Rainforest Alliance and Fairtrade for coffee buyers. See what each label guarantees, price floor...
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Coffee beans resting after roasting
degassing coffee

Science Backed Degassing for Home Roasters: Rest Beans 3–14 Days

Science backed routine for home roasters: when to rest whole beans for filter (3–7 days),...
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Home brewer comparing Arabica and Robusta grounds
arabica vs robusta flavor

3 Quick Checks: Arabica vs Robusta Flavor for Home Brewers

Compare Arabica and Robusta flavor and pick beans by taste and brew. Learn three quick...
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Home brewer comparing two coffee brews
coffee tastes weak

Home Brewers Can Diagnose Weak Coffee in Two Brews with 3 Quick Tests

Three quick A/B tests that pinpoint why your coffee tastes weak in two brews, plus...
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Two pour-over coffees compared in morning light
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45 Tasters' Verdict: Kalita Wave vs V60 for Home Brewers

Research backed Kalita Wave vs V60 comparison: how dripper shape alters flavor, starter recipes, troubleshooting,...
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