Water filters
Jug, tap and under-sink filters: how they work, what they remove and how to look after them.
Jug, tap or under-sink: which water filter suits your home?
Filter jugs, tap-mounted filters, under-sink systems and reverse osmosis all promise better water. Here is how they differ, what each one is good at and how to choose.
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How often should you change your water filter cartridge?
An old cartridge does not just stop working — it can make your water worse. Here is how often to change jug, tap and under-sink filters, and how to keep them clean.
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What does a water filter actually remove? A plain-English guide
Activated carbon, ion exchange, membranes: each filter technology deals with different things. Here is what they can and cannot remove, and how to read claims on the box.
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