Magnus
Magnus Jern (MCS) is a co-founder of Tappwater, a water researcher, and recognized authority on tap water and advanced water filtration technology. Over the past seven years, he has dedicated himself to understanding everything about tap water quality, filtration systems, and bottled water.
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Tap Water in Paris in 2026: Is It Safe to Drink?
Magnus JernIf you’re visiting, moving to, or living in Paris, you’ve probably asked yourself: Is tap water in Paris safe to drink? How does it taste? Should you buy bottled water...
Tap Water in Paris in 2026: Is It Safe to Drink?
Magnus JernIf you’re visiting, moving to, or living in Paris, you’ve probably asked yourself: Is tap water in Paris safe to drink? How does it taste? Should you buy bottled water...
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TDS in Tap Water: What It Really Means for Wate...
Magnus JernIf you have ever used a small digital meter to test your glass of water, you have likely seen a number labeled TDS. Some marketing campaigns claim that a high...
TDS in Tap Water: What It Really Means for Wate...
Magnus JernIf you have ever used a small digital meter to test your glass of water, you have likely seen a number labeled TDS. Some marketing campaigns claim that a high...
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London Tap Water in 2026: Is It Safe to Drink?
Magnus JernYou turn on the tap in your London kitchen. The water looks crystal clear, but a familiar doubt creeps in: Is it truly safe for my family? Why does it...
London Tap Water in 2026: Is It Safe to Drink?
Magnus JernYou turn on the tap in your London kitchen. The water looks crystal clear, but a familiar doubt creeps in: Is it truly safe for my family? Why does it...