If the minerals are really throwing a party, you might get a hint of bitterness. It’s a subtle, almost metallic aftertaste that makes you wonder if you just licked a penny. Don’t worry, you didn’t. But the water might have flirted with a copper pipe somewhere.
On the flip side, some people describe a slightly salty or "mineral-like" tang. It’s not ocean-water salty, just a whisper of sodium. Think of it as the tap water version of a salt-rimmed margarita glass, minus the tequila. (Bummer, right?)
The Coffee and Tea Test: Hard Water’s Greatest Hits
Want to really taste hard water? Make a cup of coffee or tea. Hard water is a bully to your brew. It can make your coffee taste muddy and flat, and your tea look like a murky puddle. The minerals actually bind to the flavor compounds, stealing all the goodness.
Issues in Science | Communicating Science (2018w112)
This is why fancy coffee shops use filtered water. They know that hard water tastes like a disappointed sigh, while soft water tastes like a hug. Your morning joe deserves a hug.
