Water purifiers explained: RO, UV or UF?

Which system you need depends on your water source. Here’s how to find out before you buy.

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Before you buy

Measure the space, check the running cost, and look for a local service centre. A cheaper unit with no nearby repair option often costs more in the long run.

• Decide your budget before you browse.
• Shortlist two or three options, not ten.
• Check reviews from people who have owned it for a few months.

Bottom line

Buy for how you’ll actually use it. The best option is the one that fits your routine, not the one with the longest feature list.