Journal & guides
Answers to the questions people actually ask
Buying guide
Tap filter or under-sink filter: which suits your home?
The two most common ways to filter drinking water at home, and the practical trade-offs between them.
5 min read
Compatibility guide
How to tell whether a tap-mounted filter will fit your tap
A simple check you can do in under a minute, before you order anything.
4 min read
Maintenance guide
When should a water filter cartridge be replaced?
How replacement intervals are set, and the signs that usually come first.
3 min read
Problem guide
Why does tap water taste of chlorine?
What causes the taste, why it varies by area and season, and what people commonly try.
4 min read
Comparison
Three approaches to filtering drinking water at home
Jug filters, tap-mounted systems and under-sink systems, compared honestly.
5 min read