A guide to everyday waterA closer look at the water
A closer look at the water
we use every day.
What’s worth filtering, which products make sense, and what to check before you buy. Straightforward comparisons for the shower, the sink and the rest of your home.
Browse the comparisons →
01 Evidence before claims02 Real costs, clearly explained03 Ownership openly disclosed
Latest comparisons & guides
Browse comparisons →Shower filters
Shower filtration · Comparison guide5 filtered showerheads, compared.
Prices, refill schedules and practical differences across five fixed filtered showerheads.
Read the comparison →At the bathroom sink
Sink filtration · Research previewBathroom sink filters, compared.
A closer look at bathroom faucet filters from Cold Life, Filterbaby and Canopy.
Read the comparison →Start with your water
The essentials · Buying guideWhich kind of water filter do you need?
Shower, faucet, countertop or whole-home: start with the job you need a filter to do.
Read the guide →What we look for
A filter should have a clear purpose.
Different filters solve different problems. We look at the contaminants a product is designed to reduce, the evidence behind it, installation and the cost of keeping it working.
How we approach every comparison →