Does water change the taste of coffee? Difference between soft water and hard water and 99 ways to use hot spring water
It's not just the beans and roast that determine the taste of coffee. Actually, "water quality" is also a big factor.
The flavor of the same bean will vary greatly when extracted with soft and hard water.
In this article, we will explain the effects of soft and hard water on coffee, regional differences, and why ultra-soft water ``Onsen Water 99'' is perfect for coffee.
Compatibility of soft water and coffee

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Taste: Mild and less addictive
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Features: Clearly brings out the original aroma and acidity of coffee beans
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Suitable coffee: Light roast, specialty coffee, fruity beans
👉 Japan's water quality and "hot spring water 99"Super soft water with a hardness of 1.7is exactly this type.
Compatibility of hard water and coffee

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Taste: Richness, bitterness, and body are emphasized.
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Characteristics: High in calcium and magnesium, which promotes extraction.
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Suitable coffee: Dark roast, espresso, if you want a strong taste
Differences in coffee culture by region

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Europe (France, Italy, etc.)
→ Because there is a lot of hard water, espresso culture has developed. -
Japan
→ Because soft water is the mainstream, there is a deep-rooted culture of enjoying light roasts and clear flavors.
Enjoy coffee with hot spring water 99

Hot Spring Water 99 has the characteristics of ``highly alkaline water with a pH of 9.5 to 9.9 and ultra-soft water with a hardness of 1.7.''
Therefore,
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Able to clearly express acidity and aroma
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Easy to drink with a refreshing aftertaste
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It has less burden on the stomach and intestines and is suitable for daily coffee habits.
Especially for specialty coffee and hand drip lovers, we recommend brewing with hot spring water 99.
Summary|Changing the water will change the taste of your coffee

Water that goes well with coffee is not uniform;
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Dark roast/espresso → hard water
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Light roast, emphasis on aroma → Soft water
That usage is correct.
If you want to enjoy your daily coffee even more, please tryExtraction with hot spring water 99Try it.
