Acidic vs Bitter Coffee

Acidic coffee tastes sharp and lively, while bitter coffee offers a drier taste. The difference in flavours depends on the roasting methods and brewing process. 

Acidity is usually a desirable quality in coffee, while excessive bitterness is often a sign of over-extraction or very dark roasting.

Keep reading for more information on the two coffee flavour types and how to achieve the perfect brew for you. 

Acidity vs Bitterness in Coffee: Key Differences 

What is Acidic Coffee?

Acidity in coffee refers to bright, crisp flavours that give it liveliness. 

Common notes you can experience in acidic coffee include: 

• Citrus 

• Berry 

• Green apple 

You’ll find these flavours in lightly roasted and high-altitude coffees. 

How Does Acidic Coffee Taste?

Acidic coffee can taste zesty, fresh, or fruity. 

If acidity is not balanced, it can lead to a sour taste, while too little can cause a dull, flat flavour.

Why Does Coffee Taste Acidic?

Coffee will taste acidic when it is:

• Lightly roasted

• Grown at high altitude

• Under-extracted

• Brewed with a coarse grind size

• Brewed for a short time

These factors highlight fruity and sharp flavour compounds in the coffee.

What is Bitter Coffee?

Bitterness is released in coffee during roasting and brewing. In small amounts, it can help balance acidity, yielding a full, well-rounded flavour. However, if it’s too strong, it can be overpowering. 

Bitter coffee is associated with dark roasts and long extraction times. 

How Does Bitter Coffee Taste?

Bitter coffee can taste: 

• Dry 

• Burnt 

• Smoky 

When balanced, bitter coffee has a taste similar to that of dark chocolate. 

Why Does Coffee Taste Bitter?

Bitterness is caused by: 

• Dark roasting

• Over-extraction

• Very fine grind size

• Long brew time

• Water that is too hot

How To Reduce Acidity in Coffee 

If your coffee is too acidic for you, and you want to build the flavour, you can: 

• Choose a medium or dark roast 

• Use a finer grind 

• Brew for longer

• Add milk 

How To Reduce Bitterness in Coffee 

Is your morning brew too harsh?

To reduce the bitterness, you can: 

• Opt for lighter roasts 

• Use a coarser grind 

• Brew for less time

• Lower the water temperature 

Is Acidic or Bitter Coffee Better?

Well, that’s up to you! 

Do you want freshness throughout the day? Or is something stronger more your speed?

Understanding the difference between acidity and bitterness allows you to adjust your beans and brewing method to suit your preference - and experiment with your usual order to find the perfect balance.

Choose Your Ideal Roast 

Frequently Asked Questions 

Which coffee drinks taste more acidic or bitter?

Is bitter coffee stronger than acidic?

Not necessarily. Bitterness refers to the flavour profile rather than the caffeine concentration. Both can contain similar levels of caffeine. 

Is dark roast coffee less acidic?

Usually, dark roast coffee is less acidic than lighter roasts because it is roasted for longer. 

During roasting, some of the natural acids in the bean break down as heat changes its chemical makeup. This shifts the flavour away from sharp, bright notes and toward bitterness and smokiness, which is why dark roasts tend to taste smoother and less tangy.