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What PFAS are, which limits apply in Sweden and the EU, and how ion exchange filtration works. Explore our guides and articles.
Learn about forever chemicals and their impact
An introduction to per- and polyfluoroalkyl substances, where they come from, and why they're called forever chemicals.
Read articleHow PFAS get into water supplies, and the limits set by the EU Drinking Water Directive and LIVSFS 2022:12.
Read articleFrom DuPont's Teflon to 3M's Scotchgard: the corporate history behind the PFAS crisis.
Read articleChoose the right filtration for your home
How an anion exchange fibre swaps chloride ions for negatively charged molecules, and why local water chemistry matters.
Read articleA guide to different filter types, what to look for, and how to match a filter to your needs.
Read articleHow to maintain your water filter for optimal performance and when to replace your cartridge.
Read articleTesting and understanding your water
A guide to home testing kits, laboratory testing, and understanding your results.
Read articleHow to read your annual water quality report and what the numbers really mean.
Read articleComparing bottled water and home filtration on cost and convenience.
Read articleCheck the published measurements for your area, or browse our filter cartridges.