Your daily coffee is over 90% water, and tap water could be ruining your best beans — experts explain how to choose the right filter to unlock the full flavor

TechRadar
Aug 2, 2026, 3:00 am193 ptsTrendingTop
If you love coffee, you’ll be very aware of the impact of factors like grind size, water temperature, and infusion time, but there’s something else that’s often overlooked. A double espresso is at least 90% water, and the minerals and other substances it contains can have a huge impact on the overall…

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