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Choosing Home Water Filters: Six Checks Beyond Labels

Select water filters for the contaminants you need removed, not just marketing claims.

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CDC

Original guidance by CDC

Link card to original guidance

The CDC explains that filters differ in what they remove. Taste or smell alone cannot determine water safety.

0 / 6 done

1. Review local water-quality reports and test water when appropriate.
2. Identify the problem: taste, chemicals such as lead, or specific germs.
3. Verify exactly which contaminants an NSF/ANSI certification covers.
4. Choose a pitcher, tap, under-sink or whole-home system for the intended use.
5. Do not assume ordinary carbon pitchers remove all germs and viruses.
6. Replace cartridges as directed; immunocompromised users should seek professional advice about changing filters.