THE KAINOS JOURNAL
An Elevated Perspective on Coffee
Your Coffee Is Mostly Water. So Why Do We Obsess Over the Beans?
The ingredient you rarely think about may be changing everything in your cup.
When we talk about exceptional coffee, the conversation usually begins with the beans.
Where were they grown? How were they roasted? What tasting notes should we expect?
But there’s one ingredient that rarely gets the attention it deserves.
Water.
It sounds almost too simple, doesn’t it?
Yet a typical cup of brewed black coffee is approximately 98–99% water.
And that means even the finest coffee beans can taste completely different depending on the water used to brew them.
THE INVISIBLE INGREDIENT
Water does more than carry coffee into your cup.
It helps extract the compounds responsible for coffee’s aroma, sweetness, acidity, and body.
Its mineral composition can influence which flavors become more noticeable.
Water that is excessively hard may mute some of coffee’s delicate characteristics, while water with too little mineral content can also produce an unbalanced extraction.
The goal isn’t simply to use the purest water possible.
It’s to use water with the right balance.
TEMPERATURE MATTERS, TOO
Have you ever brewed the same coffee twice and wondered why one cup tasted noticeably better?
Water temperature might be part of the answer.
For many manual brewing methods, a useful starting range is approximately 195–205°F (90–96°C).
Temperature influences how quickly flavors are extracted from the grounds.
Too cool, and your coffee may taste underdeveloped. Too hot for a particular coffee or recipe, and the result may become less balanced.
Exceptional coffee is often found in the details.
THE KAINOS COFFEE EXPERIMENT
Here’s something simple to try this week.
Brew the same coffee twice using:
- Cup One: Your usual tap water.
- Cup Two: Filtered water suitable for drinking and brewing.
Keep the coffee, grind size, brewing method, and temperature as consistent as possible.
Then taste both cups side by side.
Pay attention to the sweetness, clarity, acidity, and aftertaste.
You might be surprised by what you discover.
A DIFFERENT WAY TO THINK ABOUT QUALITY
At Kainos Grounds, we believe that an extraordinary coffee experience is shaped by thoughtful details.
The beans matter.
The brewing method matters.
And yes, even the water matters.
Because excellence isn’t always found in what people immediately notice.
Sometimes, it’s found in the details that make everything else shine.
Crafted with Purpose. Served with Excellence.
Until our next cup,
KAINOS GROUNDS
Elevating the everyday coffee experience.
EXPLORE KAINOS GROUNDS
https://www.kainosgrounds.com
You’re receiving The Kainos Journal for coffee insights, brewing inspiration, and thoughtful discoveries from Kainos Grounds.
[Add your email platform’s unsubscribe link and business mailing address before sending.]