Wasserwissen
Wasserressourcen
Hauswasserfilter Schweiz: Der Kaufratgeber 2026
Ein Hauswasserfilter (Point-of-Entry-System, POE) wird am Wassereingang nach dem Hauptzähler installiert und behandelt das gesamte Wasser im Haushalt — Trinken, Kochen, Duschen, Wäsche. Im Gegensatz zu Untertischfiltern, die nur einen Hahn versorgen, schützt ein Hauseingangssystem alle Rohrleitungen und Geräte vor Schadstoffen und Kalk.
11. Mai 2026 · 10 minKalk im Wasser entfernen: Schweizer Leitfaden zur Kalkbehandlung
Kalk im Trinkwasser ist Calciumcarbonat (CaCO₃) — gelöst aus den Gesteinen, durch die das Grundwasser strömt. Beim Erhit…
11. Mai 2026 · 9 minPFAS im Schweizer Trinkwasser: Der vollständige Leitfaden 2026
PFAS — per- und polyfluorierte Alkylsubstanzen, oft als „Ewigkeitschemikalien" bezeichnet — bauen sich weder in der Umwe…
11. Mai 2026 · 12 minCalcit vs. Aragonit: Die Kalk-Kristallformen erklärt
Kalk ist Calciumcarbonat (CaCO₃) — aber nicht jedes Calciumcarbonat verhält sich gleich. Die zwei häufigsten Polymorphe …
5. März 2025 · 6 minPFAS im Trinkwasser: Was Haushalte in Deutschland und der Schweiz wissen müssen
PFAS — per- und polyfluorierte Alkylsubstanzen — wurden im Trinkwasser von Tausenden europäischer Gemeinden nachgewiesen…
5. März 2025 · 8 minSchweizer Wasserfilter-Standards: Warum „Swiss Made" zählt
„Swiss Made" ist nicht nur ein Marketing-Label — in der Schweiz ist es eine gesetzlich definierte Bezeichnung, die durch…
26. Februar 2025 · 7 minWasserqualität zuhause testen: Eine Schritt-für-Schritt-Anleitung
Zu wissen, was in Ihrem Leitungswasser ist, bildet die Grundlage jeder wirksamen Wasseraufbereitungsentscheidung. Tests …
5. Februar 2025 · 7 minMagnetische Kalkbehandlung: Funktioniert sie wirklich?
Magnetische Kalkbehandlung spaltet seit Jahrzehnten die Meinungen. Klempner lehnen sie ab; Hersteller versprechen drasti…
22. Januar 2025 · 7 minIst PFAS im Trinkwasser sicher? Was Schweizer Tests zeigen
PFAS — per- und polyfluorierte Alkylsubstanzen — wurden in Trinkwasserversorgungen in ganz Europa nachgewiesen, einschli…
15. Januar 2025 · 8 minWhat Is PFAS? The Complete Guide to Forever Chemicals
PFAS — per- and polyfluoroalkyl substances — are a family of more than 12,000 synthetic chemical compounds that have bee…
24. Juli 2026 · 10 minPharmaceutical Residues in Tap Water: What's There and What Removes It
Every year, millions of tonnes of pharmaceutical compounds are consumed by humans and animals across Europe. A significa…
21. Juli 2026 · 7 minPFAS Health Risks: Cancer, Hormones, and What the Science Actually Says
In 2023, the International Agency for Research on Cancer — the World Health Organization body responsible for evaluating…
17. Juli 2026 · 9 minHow to Know If Your Water Has PFAS: A Practical Step-by-Step Guide
PFAS — per- and polyfluoroalkyl substances — cannot be detected by any human sense. They are colourless, odourless, and …
14. Juli 2026 · 7 minHow to Size a Whole House Water Filter: Flow Rate, Household Size, and More
Sizing a whole-house water filter correctly determines whether the system performs as expected or disappoints. An unders…
10. Juli 2026 · 7 minDisadvantages of Whole House Water Filters — Honest Assessment
A whole-house water filter is not the right solution for every household. Before purchasing, it is worth being clear abo…
7. Juli 2026 · 7 minDo Whole House Water Filters Remove PFAS? What the Evidence Actually Shows
PFAS (per- and polyfluoroalkyl substances) are a family of over 12,000 synthetic compounds found in industrial and consu…
3. Juli 2026 · 9 minHow Much Does a Whole House Water Filter Cost? 2026 Guide
A whole house water filter costs between €1,090 and €3,598 at the Mam Nature tier, plus €80–200 for professional install…
30. Juni 2026 · 11 minInside the Swiss Water Dynamizer: The 18 Principles of Function
The Swiss Water Dynamizer has 18 principles of function, which apply nearly at the same time — the water remains only ab…
30. Juni 2026 · 10 minBest Whole-House Hard Water Solution Without Salt or Chemicals
The conventional solution to hard water is a salt-based ion-exchange softener. It works, it is well understood, and it h…
26. Juni 2026 · 8 minHow Hard Water Damages Home Appliances — and What It Costs You
Hard water does not taste bad and will not make you ill. What it does, slowly and persistently, is deposit calcium carbo…
23. Juni 2026 · 8 minHard Water Solutions Guide: What Actually Works and What Doesn't
Hard water — water with elevated calcium and magnesium carbonate concentrations — is not a water quality problem in the …
19. Juni 2026 · 10 minETH Zurich vs NSF Certification for Water Filters: What Each Actually Proves
When evaluating water filter certifications, two names appear with very different frequencies in the market: NSF Interna…
16. Juni 2026 · 8 minWhat ETH Zurich Water Filter Certification Actually Means
When a water filter company references ETH Zurich University, most buyers have no framework for what that means. Is it a…
12. Juni 2026 · 10 minWhole House Water Filter Installation Checklist: Everything You Need Before, During, and After
A quick-reference guide for installing a whole-house point-of-entry water filter. We recommend a qualified plumber make …
9. Juni 2026 · 6 minProfessional Whole House Water Filter Installation: What to Expect
The most common question after buying a whole-house water filter is whether you need a plumber. For the connection to yo…
5. Juni 2026 · 7 minWhole House Water Filter Installation Guide: Step-by-Step for 2026
Installing a Mam Nature whole house water filter is a one-time job. In ideal conditions it takes one to two hours for th…
2. Juni 2026 · 10 minSalt-Free Water Softener Alternatives: What the Science Says in 2026
Interest in salt-free water softener alternatives has grown significantly as environmental regulations on salt discharge…
29. Mai 2026 · 10 minWater Softener vs Whole House Filter: They Solve Different Problems
"Water softener vs whole house filter" is a comparison that frames two technologies as competitors. They are not. A wate…
22. Mai 2026 · 10 minBest Whole House Water Filter 2026: How to Choose Based on What Your Water Actually Contains
"Best whole house water filter" is one of the most searched water quality terms globally, yet most buyers make their dec…
19. Mai 2026 · 11 minPoint of Entry Water Filter: What It Is, How It Works, and Who Needs One
When you buy a water filter for your kitchen tap, you are solving a small part of the problem. That filtered water reach…
14. Mai 2026 · 8 minReverse Osmosis Water Waste Explained — How Much Water Does an RO System Actually Throw Away?
Reverse osmosis (RO) is the most widely sold residential water purification technology, and for decades the industry has…
12. Mai 2026 · 9 minHow ETH Zurich University Removes 99.9997% of Radioactive Waste from Hospital Water
Every year, hospitals worldwide discharge millions of litres of radioactive wastewater into public sewage systems. Patie…
13. März 2026 · 9 minCalcite vs Aragonite: Understanding Limescale Crystal Types
Limescale is calcium carbonate (CaCO₃) — but not all calcium carbonate behaves the same way. The two most common polymor…
5. März 2025 · 6 minSwiss Water Filtration Standards: Why "Swiss Made" Matters
"Swiss Made" is not just a marketing label — in Switzerland, it is a legally defined designation governed by the Swissne…
26. Februar 2025 · 7 minPFAS Contamination in European Tap Water: The Full Picture
PFAS contamination in European drinking water has become one of the most significant public health issues of the past de…
19. Februar 2025 · 9 minStructured Water: The Science Behind Hexagonal Water Clusters
Structured water — also called hexagonal water, EZ water, or dynamized water — sits at the intersection of mainstream bi…
12. Februar 2025 · 8 minHow to Test Water Quality at Home: A Step-by-Step Guide
Knowing what is in your tap water is the foundation of any effective water treatment decision. Testing before buying a f…
5. Februar 2025 · 7 minWhole-House Water Filter vs. Reverse Osmosis (2026): Which Removes PFAS Better?
Choosing between a whole house water filter and a reverse osmosis system is one of the most common questions in home wat…
29. Januar 2025 · 9 minMagnetic Limescale Treatment: Does It Really Work?
Magnetic limescale treatment has divided opinion for decades. Plumbers dismiss it; manufacturers claim dramatic scale re…
22. Januar 2025 · 7 minIs PFAS in Tap Water Safe? What Swiss Tests Reveal
PFAS — per- and polyfluoroalkyl substances — have been detected in tap water supplies across Europe, including Switzerla…
15. Januar 2025 · 8 min