Guide

In our guides, you'll find everything you need to know about water, water filters and water treatment. From drinking water quality and individual substances to the right filter solutions for home, camping and on the go.

Water

Woher kommt unser Trinkwasser? Herkunft, Aufbereitung, Qualität Water Where does our drinking water come from? Origin, treatment, qualityWhat is the drinking water situation in Germany? Can you drink tap water in Germany witho...Read more › Inhaltsstoffe im Leitungswasser: Mineralien, Härte, Schadstoffe Water Substances in tap water: minerals, hardness, pollutantsTap water contains more than just minerals! ✓ Pharmaceutical residues ✓ Hormones ✓ Microp...Read more › pH-Wert von Wasser: warum der Grenzwert die Rohre schützt Water The pH value of water: why the limit value protects the pipesAll about the pH value of water ✓ pH scale ✓ Acids & bases ✓ The ideal pH value ► inc...Read more › Wie misst man die Wasserqualität von Trinkwasser? Water How do you measure the quality of drinking water?Read more › Schwermetalle im Trinkwasser: Grenzwerte, Herkunft und Filter Water Heavy metals in drinking water: limit values, origin and filtersLead, copper, nickel: which heavy metals occur in drinking water, which limit values will...Read more › Mikroplastik im Trinkwasser filtern Water Filtering microplastics out of drinking waterHow microplastics get into drinking water, how dangerous they are according to current kn...Read more › Bakterien im Trinkwasser: Arten, Symptome und Grenzwerte Water Bacteria in drinking water: types, symptoms and limit valuesLegionella, E. coli and enterococci in drinking water: which symptoms they cause, which l...Read more › Trinkwasserverordnung: welche Fassung gilt und welche Grenzwerte Water German Drinking Water Ordinance: which version applies and which limit valuesThe German Drinking Water Ordinance of 20 June 2023 applies unchanged. Four new provision...Read more › Ist Leitungswasser gesund? Water Is tap water healthy?Over 99% of drinking water samples comply with the limit values. When tap water can still...Read more › Trinkwassertemperatur: was am Hahn ankommt und welche Werte gelten Water Drinking water temperature: what reaches the tap and which values applyAt the building entrance, the median is 14.2 degrees, at the tap 17.4. Which limits apply...Read more › Legionellenfilter und Schutz vor Legionellen Water Legionella filters and protection against legionellaWhat legionella are, at what temperature they die off, how dangerous they can become and ...Read more › Perlator und Strahlregler: der Unterschied und welche Grösse passt Water Aerator and jet regulator: the difference and which size fitsAll about aerators: tap jet regulators & aerating inserts ✓ Sizes & threads ✓ How...Read more › Rost im Leitungswasser: was der Braunton bedeutet und was zu tun ist Water Rust in tap water: what the brown colour means and what to doIron in drinking water is limited to 0.2 mg/l, and the water turns brown from 0.5. What r...Read more ›