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Are Water Filters Doing More Harm Than Good? A Water Sommelier Weighs In
The Editors, 25.02.2026
1.5 liters a day—but does it have to be mineral water, or is tap water enough? Water sommelier Dirk Scheu warns that stagnant water can change quickly, coffee machine reservoirs may turn into hygiene traps, and even water filters aren’t always as safe as they seem.
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Falstaff: Mr. Scheu, according to a recent study, more and more people in Germany are regularly drinking mineral water. Is this boom justified—or does tap water do the job just as well?
