Water Knowledge

The Mam Nature Blog

Science-backed articles on water quality, filtration technology, and protecting your home from PFAS, limescale, and contaminants.

Water QualityFeatured

What Is PFAS? The Complete Guide to Forever Chemicals

PFAS are a family of over 12,000 synthetic chemicals linked to cancer, thyroid disease, and immune harm. This complete guide covers the chemistry, history, health risks, regulations, and how to protect yourself.

24 July 2026·10 min read

Pharmaceutical Residues in Tap Water: What's There and What Removes It

Antibiotics, hormones, antidepressants, and anti-inflammatory drugs have been detected in European rivers and tap water. Learn what gets through treatment, the health science, and what filtration actually removes.

21 July 2026·7 min read

PFAS Health Risks: Cancer, Hormones, and What the Science Actually Says

IARC classified PFOA as a Group 1 human carcinogen in 2023. Explore the full spectrum of PFAS health risks — cancer, thyroid disruption, cardiovascular, immune, and reproductive effects — and what the research means for you.

17 July 2026·9 min read

How to Know If Your Water Has PFAS: A Practical Step-by-Step Guide

PFAS has no taste, smell, or colour. Learn how to request your water quality report, identify hotspot regions, order a lab test, and interpret the results against health limits.

14 July 2026·7 min read

How to Size a Whole House Water Filter: Flow Rate, Household Size, and More

Choosing the wrong size whole house water filter causes pressure drops and premature cartridge failure. This guide covers flow rate, household size, water hardness, and cartridge capacity.

10 July 2026·7 min read

Disadvantages of Whole House Water Filters — Honest Assessment

Whole house water filters have real limitations — upfront cost, flow rate impact, installation requirements, and maintenance obligations. Here is an honest assessment before you buy.

7 July 2026·7 min read

Do Whole House Water Filters Remove PFAS? What the Evidence Actually Shows

Not all whole house filters remove PFAS. We explain which filter technologies actually eliminate PFAS, what removal rates to expect, and how the Mam Nature amyloid filter compares to activated carbon.

3 July 2026·9 min read

How Much Does a Whole House Water Filter Cost? 2026 Guide

Complete 2026 cost breakdown: purchase prices €1,090–€3,598, installation €0–€200, annual consumables €240. 5- and 10-year TCO tables vs bottled water and under-sink RO.

30 June 2026·11 min read

Inside the Swiss Water Dynamizer: The 18 Principles of Function

A detailed look inside the Swiss Water Dynamizer — micro-clustering, life-giving frequencies, the golden ratio and Fibonacci sequence, orgone energization, hexagonal structure, oxygen integration, biological stability and more.

30 June 2026·10 min read

Best Whole-House Hard Water Solution Without Salt or Chemicals

Salt-free hard water treatment options explained — TAC, magnetic conditioning, and the Water LIME. Which method works, at what hardness level, and what the ongoing costs look like.

26 June 2026·8 min read

How Hard Water Damages Home Appliances — and What It Costs You

Limescale from hard water reduces boiler efficiency, destroys washing machine elements, and blocks dishwasher spray arms. Here are the real costs and how to prevent the damage.

23 June 2026·8 min read

Hard Water Solutions Guide: What Actually Works and What Doesn't

Hard water damages boilers, dishwashers, and pipes. This guide compares every solution type — salt softeners, magnetic, TAC, catalytic, and salt-free — with honest effectiveness ratings.

19 June 2026·10 min read

ETH Zurich vs NSF Certification for Water Filters: What Each Actually Proves

ETH Zurich validation and NSF certification are both cited in water filter marketing. We explain what each actually tests, who does the testing, and what they prove — and don't prove.

16 June 2026·8 min read

What ETH Zurich Water Filter Certification Actually Means

ETH Zurich is not a commercial test lab — it is one of the world's top engineering universities. Understand what the amyloid fibre research validated, what single-pass means, and how it compares to NSF.

12 June 2026·10 min read

Whole House Water Filter Installation Checklist: Everything You Need Before, During, and After

A practical installation checklist for whole house water filters — tools, pre-install checks, step-by-step installation, first use, and the annual maintenance schedule.

9 June 2026·6 min read

Professional Whole House Water Filter Installation: What to Expect

Whole house water filter installation is a job for a qualified plumber. Here's what the work involves, how long it takes, what it typically costs, and what to have ready on the day.

5 June 2026·7 min read

Whole House Water Filter Installation Guide: Step-by-Step for 2026

A step-by-step guide to installing a whole house water filter on your main supply line. Tools needed, pipe types, bypass valve, and first-use flushing explained.

2 June 2026·10 min read

Salt-Free Water Softener Alternatives: What the Science Says in 2026

TAC, magnetic conditioners, catalytic media, and the Water LIME explained. Honest comparison of every salt-free anti-scale method with real-world performance caveats included.

29 May 2026·10 min read

Water Softener vs Whole House Filter: They Solve Different Problems

A water softener removes hardness minerals. A whole-house filter removes PFAS, heavy metals, and chlorine byproducts. This guide explains the difference and when you need both.

22 May 2026·10 min read

Best Whole House Water Filter 2026: How to Choose Based on What Your Water Actually Contains

Not all whole house filters remove the same things. This 2026 guide explains what the different filter types actually do, what certification to look for, and which system fits your situation.

19 May 2026·11 min read

Point of Entry Water Filter: What It Is, How It Works, and Who Needs One

A point of entry water filter treats every tap in your home at the main supply line. We explain how POE systems work, what they remove, and how they compare to under-sink units.

14 May 2026·8 min read

Reverse Osmosis Water Waste Explained — How Much Water Does an RO System Actually Throw Away?

Residential reverse osmosis systems discard 3–4 litres of brine for every litre of drinking water produced. We explain the membrane physics, real household numbers, and when it matters.

12 May 2026·9 min read

How ETH Zurich University Removes 99.9997% of Radioactive Waste from Hospital Water

ETH Zurich University researchers used amyloid hybrid membranes — the same technology inside the Mam Nature Nuclear Filter — to remove 99.9997% of radioactive isotopes from real hospital wastewater. Here is what the science shows.

13 March 2026·9 min read

Calcite vs Aragonite: Understanding Limescale Crystal Types

What is the difference between calcite and aragonite limescale? This guide explains the crystallography, why aragonite doesn't stick to pipes, and how magnetic treatment triggers the conversion.

5 March 2025·6 min read

Swiss Water Filtration Standards: Why "Swiss Made" Matters

What makes Swiss water filtration different? We explain Swiss manufacturing standards, ETH Zurich University testing protocols, and why Swiss Made designation matters for water quality.

26 February 2025·7 min read

PFAS Contamination in European Tap Water: The Full Picture

A comprehensive overview of PFAS contamination in European tap water, including hotspot regions, regulatory responses, and what consumers can do to protect themselves.

19 February 2025·9 min read

Structured Water: The Science Behind Hexagonal Water Clusters

Is structured (hexagonal) water real or pseudoscience? We weigh the peer-reviewed evidence on water clusters and vortex treatment — and state plainly what the Mam Nature Dynamizer does and doesn't do.

12 February 2025·8 min read

How to Test Water Quality at Home: A Step-by-Step Guide

Learn how to test home water quality with DIY kits and professional labs. Understand what results mean for PFAS, hardness, heavy metals, and bacteria.

5 February 2025·7 min read

Whole-House Water Filter vs. Reverse Osmosis (2026): Which Removes PFAS Better?

Whole-house filter vs reverse osmosis in 2026: which removes PFAS, what costs more, which wastes water, and why mineral retention matters. ETH Zürich-certified data.

29 January 2025·9 min read

Magnetic Limescale Treatment: Does It Really Work?

Does magnetic limescale treatment actually work? We examine the peer-reviewed science behind magnetic water conditioners and explain when they are effective.

22 January 2025·7 min read

Is PFAS in Tap Water Safe? What Swiss Tests Reveal

PFAS "forever chemicals" are found in tap water across Europe. Swiss laboratory tests reveal which levels are dangerous and how to remove them effectively.

15 January 2025·8 min read

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