Alles over water.
Helder uitgelegd.
Praktische uitleg over kraanwater, filters en onderhoud.
Geschreven door Jesper de Leeuw
Laatst toegevoegd
De nieuwste artikelen, op volgorde van publicatie.
Consumentenbond water filter test 2026: what does it cover?In the lab, the Consumentenbond tests water filter jugs only, on taste, limescale and ease of use; the results sit behind a paywall. The main conclusion: Dutch tap...Jesper de Leeuw
12 min leestijd
Water Filter Test 2026: Honest Comparison & AdviceAn honest water filter test comparison assesses filters based on five criteria: filter performance, NSF certification, annual cost per liter, mineral retention, and ease of use. Pitcher filters...Jesper de Leeuw
13 min leestijd
Tap water Rotterdam: how good is the quality? (2026)Tap water in Rotterdam is safe and meets all standards. Evides primarily purifies river water from the Meuse and Rhine via the Biesbosch reservoirs. The water is moderately...Jesper de Leeuw
12 min leestijd
Tap water Amsterdam: how good is the quality?Tap water in Amsterdam is of high quality, relatively soft (6 to 8 dH) and strictly monitored by Waternet. Nevertheless, traces of PFAS, medicine residues, or lead from...Jesper de Leeuw
11 min leestijd
Do you need a water filter? Here's how to tell for sureDutch tap water is safe, so a filter is not strictly necessary. However, filtering can be useful with old pipes, PFAS concerns, hard water, or taste issues. This...Jesper de Leeuw
10 min leestijd
Is tap water healthy? What to know (2026)Dutch tap water is among the most closely monitored in the world and is healthy to drink every day. It contains useful minerals and no chlorine. Even so,...Jesper de Leeuw
14 min leestijd
PFAS forever chemicals: explanation (2026)PFAS are a group of more than 10,000 man-made substances that virtually do not degrade, the so-called forever chemicals. They are present in small quantities in almost every...Jesper de Leeuw
13 min leestijd
Water hardness per municipality: how hard is your water?In the Netherlands, the water hardness per municipality ranges from approximately 4 to over 14 dH. This guide explains how to find out your water hardness through the...Jesper de Leeuw
14 min leestijd
Hard water in the Netherlands: hardness per province (2026)This guide explains what water hardness is, how hard the water is in each province and where hard water comes from. The national average is 8°dH; genuinely hard...Jesper de Leeuw
13 min leestijd
Buying a water filter: what to look out for? (2026)A complete guide to buying a water filter in the Netherlands. The article covers five key criteria (filter capacity, minerals, installation, flow rate, and cost), compares three types...Jesper de Leeuw
12 min leestijd
Filtering Iron from Tap Water: Causes and SolutionsIron in tap water in the Netherlands rarely originates from the water utility, but it is a risk in homes with older pipes. It causes brown stains, a...Jesper de Leeuw
13 min leestijd
Filtering Manganese from Tap Water: Identification & Solution (2026)Manganese is a transition metal that occurs naturally in soil and can enter tap water through groundwater. In the Netherlands, the standard is 0.05 mg/l. Higher concentrations cause...Jesper de Leeuw
11 min leestijd
