Category: Studies

For millions, the day doesn’t properly begin without a cup of coffee. But enjoying your morning brew on an empty stomach could be doing more harm than good, health experts warn.

Dr Masarat Jilani, an NHS GP based in London, told the Daily Mail that drinking coffee first thing in the morning without having food can stimulate excess acid production in the stomach, potentially leading to acid reflux and a host of uncomfortable symptoms.

“As we get older, our gut can become more sensitive,” Dr Jilani explained. “Having coffee before breakfast can irritate the gut lining and ramp up acid production.”

How Your Morning Coffee May Be Triggering Reflux

Acid reflux occurs when stomach acid flows back into the oesophagus, the muscular tube connecting the mouth and stomach. This backflow can cause a burning sensation in the chest, bloating, nausea, bad breath, sore throat, and a chronic cough.

Research has shown that caffeine triggers the release of gastrin, a hormone responsible for increasing gastric acid. While this process aids digestion, consuming coffee on an empty stomach can overwhelm the system, especially in sensitive individuals.

Coffee also contains naturally occurring phenols, which can heighten the stomach’s acidity. A 2022 French study further found that coffee may relax the lower oesophageal sphincter—the muscle that prevents stomach acid from rising—making reflux more likely.

What Doctors Recommend Instead

To avoid these problems, Dr Jilani recommends waiting at least an hour after waking before drinking coffee, and eating something beforehand to buffer the stomach.

“This delay allows hormone levels that regulate digestion to rebalance and gives you a chance to line your stomach,” she said. “Plus, spacing out caffeine intake can promote more stable energy levels throughout the day, rather than triggering early highs and crashes.”

The Hidden Danger of ‘Silent’ Reflux

Reflux symptoms are more common than many realise. It’s estimated that around a quarter of UK adults experience acid reflux. But not all cases are obvious.

Long-term sufferers may have what’s called ‘silent reflux’, where symptoms such as throat clearing, hoarseness, or coughing are mistakenly attributed to other causes. In such cases, the oesophagus may already be desensitised after repeated acid exposure, masking the underlying issue.

Left untreated, chronic acid reflux can lead to more serious complications, including oesophageal cancer—an increasingly diagnosed condition linked to persistent acid damage.

Public Reactions Are Mixed

The warning has prompted varied responses. One reader from Los Angeles commented: “I drink one latte each morning. The milk helps buffer the acid, and it provides nutrients like calcium and protein.”

Another said: “I start with green tea, then switch to coffee until noon. Works for me and has done for years.”

In Summary

Caffeine—whether from coffee, tea, or energy drinks—can improve focus and mood, but timing and individual sensitivity matter. While experts aren’t calling for people to give up coffee altogether, they advise mindful consumption: wait a little, eat something first, and pay attention to how your body reacts.

Your morning brew may still be on the menu—just with a few adjustments to make it easier on your stomach.

Have you ever tasted coffee that seemed flat, dull, or lifeless? The culprit may be a roasting defect known as “baked coffee”—a condition not of poor bean quality, but of poor heat management. In this report, Ennio Cantergiani, Owner and Managing Director of l’Académie du Café – Switzerland, unpacks the science behind this phenomenon and offers precise, practical recommendations to help roasters avoid this common but often misunderstood flaw.

You may sip a cup of coffee and find it strangely muted—lacking sweetness, brightness, or depth. While such characteristics might be attributed to origin or processing, the real cause often lies in a little-known roasting flaw called “baked coffee.” Though the term is familiar among seasoned roasters, the scientific rationale behind it is less widely understood.

Ennio Cantergiani, Owner and Managing Director of l’Académie du Café – Switzerland, explains that baked coffee arises not from defective beans, but from a mismanaged roast. Specifically, it results from insufficient heat transfer over an extended period, which inhibits the formation of key aromatic compounds. The outcome is a cup devoid of vibrancy—flat, dull, and lifeless.

At the heart of this defect lies a thermodynamic concept known as the glass transition temperature (Tg). During roasting, coffee beans pass through this physical threshold, shifting from a rigid, glassy structure to a more flexible, rubbery state. This change enables the molecular mobility required for crucial chemical reactions—most notably the Maillard reaction and caramelization—which build the sweetness, complexity, and aromatic richness expected in quality coffee.

However, when beans linger too close to the Tg zone for too long—due to slow or underpowered roasting—these molecular reactions are stifled. With insufficient energy to drive flavor-producing chemistry, the beans fail to develop their full potential. The resulting coffee tastes dull and one-dimensional, lacking clarity or body.

Slow roasting near the glass transition point also affects bean structure. Porosity is reduced, which impairs extraction during brewing. The water struggles to penetrate the bean evenly, producing a thin cup with weak tactile and sensory expression.

To prevent baked coffee, Cantergiani emphasizes the need for controlled, effective heat transfer throughout the roast. Roasters should avoid extending the roast near the glass transition range and tailor roast profiles according to the specific density and moisture content of each batch. These adjustments, though subtle, are essential for unlocking the full flavor locked inside the green bean.

Ultimately, baked coffee is more than a subjective tasting flaw—it is a scientifically explainable result of physical and chemical dynamics. In the age of precision roasting, understanding this phenomenon empowers roasters to create consistently bright, sweet, and balanced coffee, free from the muted signature of a baked profile.

Coffee has once again emerged as the most consumed beverage in the United States, surpassing bottled water. According to the Spring 2025 National Coffee Data Trends (NCDT) report released by the National Coffee Association (NCA), two-thirds of American adults (66%) reported drinking coffee daily—outpacing tea, juice, soda, and bottled water. This marks a nearly 7% increase in daily coffee consumption compared to 2020.

The report, conducted in January 2025 by Dig Insights on behalf of the NCA, underscores coffee’s enduring popularity and its deep integration into the American lifestyle. On average, every U.S. coffee drinker consumes about three cups per day.

Specialty Coffee Fuels Growth

Specialty coffee has been the main driver of this five-year growth trend. In January 2025, 46% of American adults reported consuming specialty coffee the previous day—up from 39% in 2020, an 18% increase. Meanwhile, traditional coffee consumption has remained stable, with 42% of adults consuming it daily in 2025, compared to 43% in 2020.

Espresso-based beverages—such as lattes, cappuccinos, flat whites, and Americanos—saw a 17% jump in past-day consumption (from 24% in 2020 to 28% in 2025). Non-espresso-based specialty drinks—such as cold brew, nitro, and frozen blended coffees—rose even more sharply by 42% (from 12% in 2020 to 17% in 2025).

Despite the rise in specialty coffee, the ratio between specialty and traditional consumption has remained consistent. For every 100 cups of coffee consumed, 59 are specialty and 41 are traditional.

“Coffee holds a unique place in Americans’ daily lives—no other beverage is such a beloved and prominent touchstone,” said Bill Murray, President and CEO of the NCA. “Coffee’s popularity brews big benefits for American coffee drinkers and the entire U.S. economy.”

Home Brewing Dominates

Home remains the preferred place for coffee preparation. In 2025, 71% of daily coffee drinkers reported preparing their coffee exclusively at home, compared to 63% in 2020. Only 16% had coffee exclusively prepared outside the home, and 13% prepared it both at home and out—down from 19% in 2020.

Shifts in Purchasing Habits

Grocery stores continue to be the top location for purchasing coffee, with 40% of past-day coffee drinkers buying coffee there. However, online purchases have doubled—rising from 7% in 2020 to 14% in 2025. Meanwhile, purchases at mass merchandisers rose from 25% to 29%, club stores declined slightly to 10%, and purchases at coffee shops remained steady at 5%.

Evolving Brewing Methods

Drip coffee makers remain the most common household brewing method (62% in 2025 vs. 58% in 2020), but other methods are gaining popularity:

• Single-cup brewers: 42% (up from 40%)

• Instant coffee: 35% (up from 27%)

• Bean-to-cup machines: 15% (up from 10%)

• Espresso machines: 12% (up from 8%)

• Slow-drip cold brew setups: 11% (up from 7%)

• French presses: 12% (down from 14%)

• Pour-over makers: 6% (up from 5%)

The NCDT continues to serve as a vital indicator of evolving coffee trends in the U.S. For access to the full report, visit ncausa.org/ncdt.

About the National Coffee Association (NCA):
Founded in 1911, the NCA is the United States’ oldest and largest trade association for the coffee industry, representing companies responsible for 90% of U.S. coffee commerce. Coffee supports 2.2 million U.S. jobs and contributes nearly $350 billion annually to the American economy.

New research reveals how pour height, grind, and roast could transform your daily cup.

Coffee lovers may want to reconsider their morning routine. New scientific findings released this week suggest that the height and speed at which hot water is poured over coffee grounds can significantly influence the flavor and quality of the brew—adding yet another dimension to the already complex world of coffee preparation.

While the perfect cup is ultimately a matter of personal preference, there’s no denying that bad coffee exists. Think overboiled diner sludge or a watery brew served with indifference. Fortunately, research continues to help coffee enthusiasts refine their techniques to bring out the best in every bean.

Experts agree that multiple variables—from the bean’s origin to water temperature—play a vital role. But recent focus has turned to pour height, a factor many overlook. Researchers have found that the distance from which water is poured affects how evenly coffee grounds are saturated, which in turn influences extraction, body, and aroma.

The Bean

At the heart of every cup is the bean. Coffee connoisseurs know that variety, altitude, and country of origin all influence flavor. Arabica beans are often favored for their complexity, while robusta—higher in caffeine—adds creaminess and strength, making it ideal for espresso.

There’s growing interest in developing new coffee varieties that not only taste better but also withstand climate change and meet rising demand. This scientific approach to coffee breeding is shaping the future of the industry.

The Roast

Roasting is another critical stage. Dark roasts are typically used in espresso, while lighter roasts highlight acidity and floral notes, especially in pour-over brewing. But it’s not just about taste—roasting also affects consistency in large-scale production.

More than any espresso machine, it’s the grinder that experts say makes the biggest difference. Coffee blogger and roaster Kev Lewis insists:

“If you spend £400 on a grinder and £100 on a machine, you’ll get better espresso than flipping those numbers.”

Uniform grind size leads to even extraction. Blade grinders can result in uneven bits that brew inconsistently, while burr grinders offer a controlled, precise grind. Scientific studies even provide formulas for optimal grind coarseness, showing that consistency yields a better, more balanced cup.

The Brew

The way you brew—whether French press, AeroPress, espresso, or stovetop moka—shapes the experience. But it’s not just the device. Water temperature, composition, and even time of day can affect taste perception.

According to Tom Saxon, founder of UK-based coffee subscription service Batch:

“The wrong grind size, water temperature, or coffee ratio can ruin great coffee. Over-extraction or under-extraction—both happen easily if you’re not careful.”

And now, pour height joins the list of subtle but impactful details. Pouring from higher up can influence turbulence, saturation, and extraction, creating a cup with better clarity or body depending on your method.

Taste is Personal

Despite all the science, preferences vary. Some drinkers are content with their daily caramel latte from a high-street chain. Others fine-tune every variable, chasing that elusive, perfect cup.

For many, making coffee is as much a ritual as it is a routine. One coffee lover shares their approach:

“I start with ground Brazilian Santos from a local roaster or a Fairtrade blend from the supermarket. I brew using a French press—boil the kettle, let it cool for a minute, pour it over the grounds, stir, wait four minutes, stir again, and plunge. Sometimes, I switch to a moka pot for a stronger hit. Either way, I drink it black—no fuss, just flavor.”

Whether you’re refining the grind or experimenting with brew methods, the journey to your ideal cup is filled with discovery. And thanks to ongoing research, the path to perfection just got even more precise.

ICO Report Reveals High Volatility, Rising Tariffs, and Regional Export Shifts Impacting the Industry

Global coffee prices saw a slight retreat in March 2025, signaling a shift in market momentum after months of elevated price levels. The International Coffee Organization (ICO), in its latest monthly report, confirmed that the industry is entering a phase of increased uncertainty—driven by economic concerns, production surges, and new trade barriers.

The ICO Composite Indicator Price (I-CIP) averaged 347.85 US cents/lb, down 1.8% from February. While still significantly higher than a year ago—up 86.6% compared to March 2024—the price drop marks the fourth short-term downturn since early 2024. Market volatility also climbed sharply, with intra-day fluctuations averaging 12.3%, underscoring growing nervousness among traders.

Economic Pressures Deepen

The report points to global macroeconomic challenges as key drivers of the price drop. Consumer confidence in the United States has declined to a 12-year low, while major central banks—including the U.S. Federal Reserve and Bank of England—have paused rate cuts amid economic uncertainty.

Additionally, U.S. authorities have triggered a new wave of reciprocal tariffs on coffee imports from dozens of exporting countries. Nations such as Vietnam, Indonesia, Colombia, and India now face duties of up to 47%, a move expected to disrupt trade flows and inflate retail prices in the U.S. and beyond.

Supply Up, Stocks Down

On the supply side, the market saw a strong rebound in production. Colombia recorded a 29-year high in coffee output in February, while global green coffee exports rose 6.6% year-on-year. Robusta exports grew 10.7%, largely due to sharp recoveries in Indonesia and Vietnam.

Despite these figures, inventories remain tight. Consumer stocks in importing countries fell to 15.9 million bags, their lowest since the last major drawdown, raising concerns about long-term availability. Meanwhile, certified Arabica stocks dropped 4.6% month-over-month, even as Robusta stocks in London edged higher.

Regional Trade Dynamics Shift

The report reveals shifting momentum in global export trends:

• Asia & Oceania surged ahead with a 21.7% rise in exports, led by Vietnam’s renewed shipments and Indonesia’s robust recovery.

• Africa posted 20.6% growth, thanks to strong performances from Ethiopia and Uganda.

• South America, however, saw exports fall 6.9%, largely due to reduced volumes from Brazil.

• Mexico and Central America posted a 10.6% increase, but Mexico’s green coffee shipments fell as the country continues to shift toward soluble coffee production.

Arabica Leads, Robusta Rises

Arabicas maintained dominance in the export market, representing 63.6% of green coffee exports during the first five months of the coffee year. Yet, Robustas are steadily gaining ground, driven by strong demand and favorable production cycles in Southeast Asia.

Price differentials between Arabicas and Robustas remain wide. The arbitrage between the New York and London futures markets reached 135.11 US cents/lb, its highest in over three years, reflecting market divergence between the two major varieties.

Outlook: Stability at Risk

While the ICO projects a global coffee surplus of 1 million bags for the 2023/24 season, this balance is fragile. Concerns over Brazil’s 2025/26 crop, ongoing logistical disruptions in the Red Sea, and rising geopolitical tensions suggest that the market could face renewed pressure in the coming months.

The report concludes that although prices remain historically high, the coffee sector is now caught in a tug-of-war between improving supply and softening demand. Industry stakeholders should brace for a period of continued market volatility, policy uncertainty, and climate-related risks.

A new psychological analysis suggests that your daily coffee choice may offer more than just a caffeine boost—it could be a window into your personality. From bold black coffee to carefully customized brews, researchers have found interesting links between preferred coffee types and certain character traits.

Clinical psychologist Dr. Ramani Durvasula conducted a study involving over 1,000 individuals to explore how food and beverage choices reflect personality dimensions. One of the most intriguing findings: the type of coffee you drink can mirror how you think, act, and relate to others.

Black coffee lovers tend to value simplicity and efficiency. They’re often traditional, disciplined, and straightforward, though they may resist change. Latte and cappuccino fans are warm and friendly, but can sometimes neglect their own needs while pleasing others.

Those who enjoy iced coffee are often seen as spontaneous and creative, enjoying life in the moment. However, their impulsive nature can sometimes lead to rash decisions. On the other hand, those who prefer highly customized or decaffeinated coffee often exhibit perfectionism and a need for control, balancing that with health-conscious habits.

Perhaps most notable are the consumers of specialty coffee—individuals who demonstrate a higher degree of self-awareness, ethical consideration, and appreciation for quality and craft. According to a study published in the journal Appetite, such coffee drinkers often have strong values around sustainability and social responsibility.

Although these findings are not absolute, they provide an intriguing perspective on how daily rituals like coffee drinking can reflect deeper psychological tendencies.

As innovation surges in the specialty coffee sector, a critical debate is emerging around the use of additives and ingredients in post-harvest processes (PHP). What once was a straightforward path from cherry to green bean has become a complex web of microbial interventions, fermentation styles, and flavor engineering—raising questions about transparency, classification, and consumer expectations.

Ennio Cantergiani, Owner and Managing Director of l’Académie du Café – Switzerland, sheds light on this transformation, revealing that a dedicated meeting by the Specialty Coffee Association (SCA) is scheduled to take place in Houston at the end of April. The topic on the table: the evolving identity of green coffee and the role additives play in shaping its future.

Processing Aids or Flavor Modifiers?

At the heart of the discussion is the distinction between “processing aids” and “intentional flavor modifiers.” Processing aids are substances used to enhance efficiency and consistency in production—yet they are not meant to remain in the final product. Examples include yeasts and bacteria used to break down mucilage, enzymes that support fermentation, or antifoaming agents that prevent mechanical clogging during washing.

“If the primary intent behind using yeasts or bacteria is to increase batch consistency or improve machine performance, then these remain classified as processing aids,” Cantergiani explains. “But the moment the goal shifts toward influencing flavor, the nature of the process—and its classification—must change.”

This distinction is more than semantic. It affects traceability, labeling, and the ethical standards of the specialty coffee industry.

Fermentation Without Additives: Still a Grey Zone?

Processes like anaerobic fermentation and carbonic maceration add further complexity. Though they do not rely on external ingredients (except the controlled use of CO₂ in carbonic maceration), their primary goal is flavor modulation.

“These methods cannot be categorized under processing aids,” notes Cantergiani. “They represent deliberate fermentation strategies and must be clearly identified as such—whether anaerobic or carbonic.”

In essence, what defines the process is not the presence of microorganisms alone, but the intention behind their use.

A Need for Clearer Standards

As producers experiment with infused coffees, co-fermentation, and gas-solid interactions to create distinct flavor profiles, the need for a unified industry lexicon has become urgent. The SCA’s upcoming meeting is expected to address these ambiguities and push toward clearer definitions that separate traditional PHPs from modern, ingredient-based innovations.

Cantergiani emphasizes that further categories—such as “infused coffees,” “mosto-infused,” “co-fermented,” and “flavored coffees”—require their own criteria and discussions, which he plans to explore in future publications.

What’s at Stake?

With the specialty coffee sector striving to uphold transparency, traceability, and ethical standards, the increasing use of additives in PHPs may challenge the very identity of “natural” or “clean” coffee. At the same time, the potential to enhance flavor, value, and consistency remains an attractive prospect for producers navigating climate change, market volatility, and shifting consumer demands.

The path forward, it seems, lies not in restricting innovation—but in clarifying it.

After years of debate over its health effects, coffee has received official recognition from the U.S. Food and Drug Administration (FDA) as a healthy beverage. The decision, issued in December 2024, marks a major turning point for the coffee industry and aligns with a growing body of scientific evidence linking coffee to cognitive benefits and reduced risks of chronic conditions such as Parkinson’s disease and type 2 diabetes.

The FDA’s endorsement comes as the global wellness economy—valued at $4.5 trillion—continues to reshape consumer expectations. In this context, coffee is rapidly evolving from a source of caffeine into a functional beverage enriched with ingredients such as probiotics, antioxidants, and adaptogens. For producers and roasters, the recognition opens new opportunities for product development and brand positioning, particularly among health-conscious consumers. For younger generations, many of whom already associate coffee with positive health attributes, the FDA’s decision serves as a confirmation rather than a revelation.

Industry voices say the shift could have a lasting impact on how coffee is marketed and consumed. Ildi Revi, Chief Learning Officer at Purity Coffee, described the FDA’s decision as a “pivotal moment,” adding that it reinforces decades of research. She notes that this recognition may drive a broader understanding of coffee’s role in long-term wellness, moving it beyond its traditional image as a simple stimulant. Revi also points to recent data from the National Coffee Association indicating that younger drinkers are already factoring health benefits into their purchasing decisions.

Recent analysis from Euromonitor identifies wellness, luxury, and “permissible indulgence” as the key forces shaping the future of coffee. Brands across the sector are exploring health-driven innovations without compromising taste or quality. Organic beans rich in antioxidants, blends fortified with adaptogens, and cold brews containing probiotics or prebiotic fiber are becoming increasingly common. Some companies are even experimenting with CBD or psilocybin infusions. These offerings are gaining traction among consumers seeking more from their daily cup—whether for gut health, immune support, or mental clarity.

However, the surge in health-related innovation has also brought new challenges. A prominent example was the nationwide recall of Snapchill’s canned cold brew in 2024, prompted by concerns over botulism risk. The incident rattled the specialty coffee sector, underscoring the dangers of insufficient safety protocols in a fast-moving market. It echoed previous scares, such as Death Wish Coffee’s 2017 voluntary recall, and highlighted a broader pattern of vulnerabilities, from contaminated beans and poor sanitation to unsafe packaging.

Revi warns that the specialty coffee industry still harbors misconceptions about food safety. While some see regulatory compliance as an obstacle to creativity, she argues it should be viewed as a core component of product quality—particularly when health claims are involved. The danger posed by bacteria such as Listeria monocytogenes and Clostridium botulinum is real, especially in low-acid, anaerobic products like canned or nitrogen-infused cold brew. Although spores may remain dormant at low temperatures, any break in the cold chain—such as outdoor events or improper transport—can create ideal conditions for germination and contamination.

In response, more coffee companies are investing in quality control, third-party certification, and greater supply chain transparency. The National Coffee Association has issued safety guidance, including a green coffee food safety workbook and protocols for cold brew processing. According to Revi, measures such as pH monitoring, filtration, pasteurisation, and strict cold storage must be viewed not as burdens but as essential safeguards. She believes these standards can support—not stifle—industry innovation.

The financial consequences of safety failures are particularly severe for small and independent businesses. A single incident can erode consumer trust, result in significant financial loss, and permanently damage a brand’s reputation. This has led to growing calls for accountability and consistency in health claims. Revi urges the industry to move beyond self-regulation and to adopt practices such as publishing Certificates of Analysis (COAs) online, empowering consumers to assess whether a coffee aligns with their health goals. These documents could include compound levels, safe thresholds, and estimated extraction data, although Revi cautions against using COAs as tools for public criticism in a still-developing field.

The implications of the FDA’s decision extend beyond consumer trends. As the specialty coffee sector integrates wellness into its identity, it faces a future of increased oversight, including stricter labeling laws and limitations on additives. Yet the shift also creates space for new business models. Cafés are rebranding with hygiene-first messaging, while functional coffee products featuring collagen, nootropics, or adaptogenic herbs are entering mainstream retail.

Data from Euromonitor indicates that the health and wellness coffee market is expected to grow by 6.8% annually over the next five years, driven by demand for organic and functional beverages. Brands that embrace science-based standards, transparent sourcing, and product integrity are already seeing stronger consumer loyalty—and, in many cases, higher margins.

For Revi, the next chapter of coffee isn’t about competition but collaboration. She believes that industry players should work together to establish rigorous health benchmarks that benefit both public health and the coffee ecosystem. “There’s room for everyone in this space,” she says. “This isn’t just a trend—it’s a new frontier for coffee with the potential to improve the lives of millions.”

As the wellness wave reshapes the industry, coffee’s new designation as a healthy beverage brings with it both opportunity and obligation. From producers and roasters to cafés and retailers, every link in the supply chain will now be expected to meet rising standards for safety, transparency, and health impact. Whether the industry can maintain its momentum without compromising its credibility may define the next era of specialty coffee.

In a recent feature published by EatingWell, six leading U.S. coffee experts unanimously identified one simple but critical mistake that undermines the flavor of home-brewed coffee: inaccurate measurements.

As specialty coffee continues to gain popularity and home brewing becomes more sophisticated, many consumers are still puzzled when their at-home cup doesn’t match the quality of their local café. The article sheds light on the most common brewing errors and how to correct them, with insights from roasters, baristas, and trainers across the country.

“We hear this all the time—customers love our coffee in-store, but they say it tastes different at home,” said Murilo Santos, co-founder and roastmaster at Boarding Pass Coffee in Georgia. “The issue usually comes down to technique.”

The Top Three Mistakes

According to the panel of coffee professionals, the three most common mistakes in home brewing are:

1. Inaccurate coffee-to-water ratios

2. Inconsistent grind size

3. Using unfiltered tap water

Measurement Is Key

Lindsey Sozio, founder of Lavender Coffee Boutique in Denver, emphasized the importance of precision. “Coffee is a science. The wrong ratio throws off the balance—too much coffee results in bitterness, while too little leads to sour, weak flavor.”

To resolve this, experts recommend using a kitchen scale to weigh both coffee and water. Kat McCarthy, Specialty Coffee Association trainer and Lavazza’s training manager, noted that “even using the same scoop each time can yield different amounts. A scale guarantees accuracy.”

While brewing ratios may vary by method and taste, most experts recommend starting with a 1:16 or 1:17 coffee-to-water ratio—meaning 1 gram of coffee to 16–17 grams of water—and adjusting from there.

Invest in a Burr Grinder

Contrary to popular belief, a high-end coffeemaker isn’t the most important investment for home brewers. The experts stress that a quality burr grinder plays a more critical role.

“People often invest in brewers but ignore the grinder,” Sozio explained. “Grind consistency is essential for proper extraction and flavor.”

Adam Kelley of Leopard Forest Coffee Co. added that grind size should match brew method: coarse for French press, fine for espresso, and medium for drip coffee.

Amy Smith from EXO Coffee recommended burr grinders over blade grinders and suggested that consumers ask their local roasters to grind beans to suit their preferred method if a grinder is not available at home.

The Water Factor

Filtered water—not tap—is another non-negotiable for quality brewing. Tap water often contains minerals and additives that alter flavor, especially in areas with older infrastructure.

“Coffee is 98% water, so what you brew with matters,” said Tayler Jackson of The Grind in Virginia. “Using filtered water makes a huge difference.”

Temperature also plays a role. Experts recommend water temperatures between 195°F and 201°F for optimal extraction. Water below 195°F can lead to sour coffee, while water hotter than 205°F can burn the grounds, creating bitterness.

Conclusion

The consensus among coffee professionals is clear: perfecting technique is the secret to a great cup at home. By weighing ingredients, using a burr grinder, selecting the correct grind size, and brewing with filtered water at the right temperature, anyone can elevate their home coffee experience.