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Hard Water and Coffee: What You Need to Know
How calcium and magnesium in hard water change your coffee's flavor and damage your machine, plus how to check your water and fix it for better brewing.
Brewing basics
Water
Hard water, reverse osmosis, and what your water does to flavor.
Reverse Osmosis Water for Coffee: Good or Bad?
Reverse osmosis water tastes flat straight out of the system, but remineralized correctly it can be some of the best water for brewing. Here's how.
Related topics
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