Shower Water Insights

Jämför duschfilter 2026: Bäst i test av 9 filter för svenskt vatten
Compare shower filters 2026: Best in test of 9 filters for Swedish water
Nordic Wellness Kit wins best in test for Swedish water. Double filtration with 4 filters (2 per unit) — first year free. 9 filters compared by media type, price, and... Read more...
Ditt Duschvatten: Vad det Finns i Det och Varför det Påverkar din Hud och Ditt Hår
Your Shower Water: What's in It and Why It Affects Your Skin and Hair
The water that flows from your showerhead is not the same as the water you drink. Your shower water contains chlorine, chloramine, heavy metals, and in some areas PFAS —... Read more...
Klor i Duschvatten: Den Dolda Hälsorisken du Utsätts för Varje Dag
Chlorine in Shower Water: The Hidden Health Risk You're Exposed to Every Day
Swedish tap water contains traces of chlorine or chloramine—added for microbiological safety. In the shower, these substances evaporate and are inhaled, leading to an exposure that can be higher than… Read more...
Hårt Vatten i Sverige: Vattenhårdhet per Stad och Vad det Betyder för din Hud och Ditt Hår
Hard Water in Sweden: Water Hardness per City and What it Means for Your Skin and Hair
Sweden has varying water hardness throughout the country — from moderately soft in parts of Stockholm to hard in Skåne and western Sweden. Hard water affects the skin’s barrier function... Read more...
Kalciumsulfit i duschfilter: Den kompletta vetenskapliga guiden
Calcium Sulfite in Shower Filters: The Complete Scientific Guide
Calcium sulfite is most effective at shower temperatures – Swedish water with free chlorine is a perfect match. Nordic combines it with KDF-55D and activated carbon. Read more...
Torr hud efter dusch? Detta orsakar det + lösningen
Dry skin after showering? This causes it + the solution
Dry skin after showering is most often caused by chlorine and minerals in the water, not by your skincare. Chlorine oxidizes the skin's natural lipid barrier. The solution is a Read more...
Velluva vs Nordisk Renhet: Ärlig jämförelse av duschfilter
Velluva vs Nordisk Renhet: Honest Shower Filter Comparison
Velluva uses vitamin C and ceramic balls. Nordisk Renhet uses calcium sulfite, KDF-55D and GAC. For Swedish conditions (chlorinated, often hard water), calcium sulfite+KDF is the documented… Read more...
Bästa duschfiltret i Sverige 2025: Jämförelse + köpguide
Best Shower Filter in Sweden 2025: Comparison + Buyer's Guide
Most shower filters on the Swedish market use activated carbon (GAC), which loses chlorine filtering capacity at shower temperatures. Calcium sulfite + KDF-55D is the most robust technology for Swedish… Read more...
Kalk i vattnet hemma: Vad det gör med din hud och ditt hår
Hard water at home: What it does to your skin and hair
Lime (calcium and magnesium) in the water reacts with the skin's natural oils and forms lime soap — a film that clogs pores and weakens the skin's moisture barrier. Dermatological... Read more...
Kalciumsulfit i duschfilter: Fullständig fakta och köpguide
Calcium Sulfite in Shower Filters: Complete Facts and Buyer's Guide
Calcium sulfite (CaSO3) is a chemical reactant that neutralizes chlorine and chloramine through a redox reaction. Unlike activated carbon, which loses capacity at high temperatures, calcium sulfite… Read more...
Duschvatten i Stockholm: Vattenkvalitet, klor och vad du kan göra
Shower Water in Stockholm: Water Quality, Chlorine, and What You Can Do
Stockholm's tap water is soft but chlorinated with chloramine. Shower water can contain higher chlorine levels than tap water due to corrosion in the water heater. A shower filter with… Read more...
Stockholm vs Göteborg: En jämförelse av duschvattenkvalitet och vad det betyder för din hud
Stockholm vs Gothenburg: A comparison of shower water quality and what it means for your skin
Stockholm uses chloramine (no strong chlorine smell), while Gothenburg uses free chlorine (a distinct chlorine smell reported by users). Both cities meet the Swedish Food Agency's limit values, but... Read more...
Svenska studien: Klorerade biprodukter i dricksvatten ökar risk för tjock- och ändtarmscancer hos män
Swedish study: Chlorinated by-products in drinking water increase risk of colorectal cancer in men
A 22-year follow-up of 60,000 Swedish men shows that those exposed to high levels of trihalomethanes (THM) in drinking water had a 20 percent higher risk of developing colorectal cancer.… Read more...
Duschmunstycke med Filter: Lösningen för Hälsosam Hud och Hår
Shower Head with Filter: The Solution for Healthy Skin and Hair
Calcium sulfite (CaSO3) is most effective against free chlorine – and performs best at shower temperatures. It is ineffective against chloramine; KDF-55D handles that. Swedish municipal water uses free... Read more...