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Coffee Academy

Coffee Academy Guide: Extraction, Ratios, Water, and Brewing Methods

Coffee Academy is the practical brewing path: extraction, grind, ratio, water, time, temperature, distribution, and method choice. Use this hub to learn what to adjust before changing coffee beans.

Quick Answer: Start with extraction and brew ratio, then use TDS, water, distribution, and brew-method guides to diagnose weak, sour, bitter, or flat cups.

Start here

These articles explain the core brewing variables first.

Extraction Brew Ratio TDS

Brew variables

Use these when the cup tastes inconsistent, harsh, or flat.

Water Coffee Fines Distribution

Control and diagnosis

Good for readers fine-tuning pour, concentration, and repeatability.

Pouring Height Concentration Home vs Cafe

Brew methods

Compare common brewing paths without losing the fundamentals.

French Press Pour Over Moka Pot

Connect taste

When brewing changes flavor, sensory language helps describe what changed.

Sensory Analysis Acidity Body

Connect origin and roast

If a brew still feels wrong, check the bean story and roast stage too.

Origins Roasting Degassing

Coffee Academy hero image illustrating Understanding TDS (Total Dissolved Solids) in Coffee with specialty coffee equipment, brewing context, and educational detail.

Understanding TDS (Total Dissolved Solids) in C...

May 16, 2025正啟 GLOBALEYES

TDS stands for Total Dissolved Solids. It measures the concentration of dissolved solids in coffee, such as sugars, acids, oils, and bitter compounds. Quick Answer: TDS means total dissolved solids,...

Understanding TDS (Total Dissolved Solids) in C...

May 16, 2025正啟 GLOBALEYES

TDS stands for Total Dissolved Solids. It measures the concentration of dissolved solids in coffee, such as sugars, acids, oils, and bitter compounds. Quick Answer: TDS means total dissolved solids,...

Coffee Academy hero image illustrating The Impact of Coffee Fines on Brewing with specialty coffee equipment, brewing context, and educational detail.

The Impact of Coffee Fines on Brewing

May 16, 2025正啟 GLOBALEYES

The grind size of coffee has a significant influence on brewing methods (such as Pour Over, V60, Chemex, etc.). Particularly important is the presence and distribution of "fines," or very...

The Impact of Coffee Fines on Brewing

May 16, 2025正啟 GLOBALEYES

The grind size of coffee has a significant influence on brewing methods (such as Pour Over, V60, Chemex, etc.). Particularly important is the presence and distribution of "fines," or very...

Coffee Academy hero image illustrating Impact of Coffee Distribution on Extraction with specialty coffee equipment, brewing context, and educational detail.

Impact of Coffee Distribution on Extraction

May 16, 2025正啟 GLOBALEYES

Coffee distribution significantly influences extraction by directly affecting how evenly water flows through the coffee grounds, ultimately determining the consistency and quality of the brew. Quick Answer: Coffee distribution affects...

Impact of Coffee Distribution on Extraction

May 16, 2025正啟 GLOBALEYES

Coffee distribution significantly influences extraction by directly affecting how evenly water flows through the coffee grounds, ultimately determining the consistency and quality of the brew. Quick Answer: Coffee distribution affects...

Coffee Academy hero image illustrating How to Brew an Excellent Pour-Over Coffee with specialty coffee equipment, brewing context, and educational detail.

How to Brew an Excellent Pour-Over Coffee

May 16, 2025正啟 GLOBALEYES

Pour-over coffee is an intuitive method known for highlighting the nuanced flavors of coffee beans. While it looks straightforward, mastering a consistently delicious pour-over requires attention to several key details....

How to Brew an Excellent Pour-Over Coffee

May 16, 2025正啟 GLOBALEYES

Pour-over coffee is an intuitive method known for highlighting the nuanced flavors of coffee beans. While it looks straightforward, mastering a consistently delicious pour-over requires attention to several key details....

Coffee Academy hero image illustrating Can Coffee Grounds Be Reground? with specialty coffee equipment, brewing context, and educational detail.

Can Coffee Grounds Be Reground?

May 16, 2025正啟 GLOBALEYES

We all know coffee tastes best when freshly ground, but sometimes you might receive pre-ground coffee as a gift. Suppose it's ground to a medium-coarse size, and you're tempted to...

Can Coffee Grounds Be Reground?

May 16, 2025正啟 GLOBALEYES

We all know coffee tastes best when freshly ground, but sometimes you might receive pre-ground coffee as a gift. Suppose it's ground to a medium-coarse size, and you're tempted to...

Coffee Academy hero image illustrating Turkish Coffee with specialty coffee equipment, brewing context, and educational detail.

Turkish Coffee

May 16, 2025正啟 GLOBALEYES

We are familiar with many brewing methods—pour-over, siphon, drip, espresso—but have you ever heard of brewing coffee in hot sand? The traditional Turkish coffee preparation method, famously known as "sand...

Turkish Coffee

May 16, 2025正啟 GLOBALEYES

We are familiar with many brewing methods—pour-over, siphon, drip, espresso—but have you ever heard of brewing coffee in hot sand? The traditional Turkish coffee preparation method, famously known as "sand...

Coffee Academy hero image illustrating Should You Drink Siphon or Pour-Over Coffee? with specialty coffee equipment, brewing context, and educational detail.

Should You Drink Siphon or Pour-Over Coffee?

May 16, 2025正啟 GLOBALEYES

Quick answer: Siphon coffee usually feels theatrical and full-bodied, while pour-over is simpler, cleaner, and easier to repeat. The better choice depends on whether you want a hands-on brewing ritual,...

Should You Drink Siphon or Pour-Over Coffee?

May 16, 2025正啟 GLOBALEYES

Quick answer: Siphon coffee usually feels theatrical and full-bodied, while pour-over is simpler, cleaner, and easier to repeat. The better choice depends on whether you want a hands-on brewing ritual,...

Coffee Academy hero image illustrating Does Crema Indicate a Good Espresso? with specialty coffee equipment, brewing context, and educational detail.

Does Crema Indicate a Good Espresso?

May 16, 2025正啟 GLOBALEYES

You might have heard people say, "To judge whether an espresso is good, look at the crema. The best espresso has a rich, delicate, golden crema." But can the quality...

Does Crema Indicate a Good Espresso?

May 16, 2025正啟 GLOBALEYES

You might have heard people say, "To judge whether an espresso is good, look at the crema. The best espresso has a rich, delicate, golden crema." But can the quality...

Coffee Academy hero image illustrating Why Does Homemade Pour-over Coffee Taste So Different from a Coffee Shop? with specialty coffee equipment, brewing context, and educational detail.

Why Does Homemade Pour-over Coffee Taste So Dif...

May 16, 2025正啟 GLOBALEYES

An increasing number of small or local coffee shops have set high standards for "good coffee." After tasting an amazing cup at a café, many coffee lovers buy the same...

Why Does Homemade Pour-over Coffee Taste So Dif...

May 16, 2025正啟 GLOBALEYES

An increasing number of small or local coffee shops have set high standards for "good coffee." After tasting an amazing cup at a café, many coffee lovers buy the same...

Coffee Academy hero image illustrating The 3-Step Guide to Brewing Delicious Hand Drip Coffee with specialty coffee equipment, brewing context, and educational detail.

The 3-Step Guide to Brewing Delicious Hand Drip...

May 16, 2025正啟 GLOBALEYES

Step 1: Preparation Choose fresh coffee beans:Pick a roast level and origin that matches your preference. Appropriate grind size: UseUse a medium grind, similar in texture to coarse salt. Weigh...

The 3-Step Guide to Brewing Delicious Hand Drip...

May 16, 2025正啟 GLOBALEYES

Step 1: Preparation Choose fresh coffee beans:Pick a roast level and origin that matches your preference. Appropriate grind size: UseUse a medium grind, similar in texture to coarse salt. Weigh...

Coffee Academy hero image illustrating The Impact of Water on Coffee with specialty coffee equipment, brewing context, and educational detail.

The Impact of Water on Coffee

May 16, 2025正啟 GLOBALEYES

Water accounts for approximately 98% of a brewed coffee, signifying that water quality profoundly influences coffee flavor—far beyond what most people imagine. Although water is transparent and colorless, it still...

The Impact of Water on Coffee

May 16, 2025正啟 GLOBALEYES

Water accounts for approximately 98% of a brewed coffee, signifying that water quality profoundly influences coffee flavor—far beyond what most people imagine. Although water is transparent and colorless, it still...

Coffee Academy hero image illustrating Effect of Pouring Height on Specialty Coffee Flavor with specialty coffee equipment, brewing context, and educational detail.

Effect of Pouring Height on Specialty Coffee Fl...

May 16, 2025正啟 GLOBALEYES

Does the pouring height of hand-drip coffee affect the flavor of specialty coffee? One common recommendation for hand-drip techniques is to maintain the kettle approximately 4–5 cm above the coffee...

Effect of Pouring Height on Specialty Coffee Fl...

May 16, 2025正啟 GLOBALEYES

Does the pouring height of hand-drip coffee affect the flavor of specialty coffee? One common recommendation for hand-drip techniques is to maintain the kettle approximately 4–5 cm above the coffee...

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