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When a water filter (e.g. Brita filter) is past its expiration date, is it just not filtering very well anymore, or is it actively making the water worse? - Quora
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When a water filter (e.g. Brita filter) is past its expiration date, is it just not filtering very well anymore, or is it actively making the water worse? - Quora
Here's How Often You Should Really Replace Your Brita Water Filter | Real Simple
What Happens When a Water Filter Expires? | Aquasana
Do Water Filters Expire? (Our Water Treatment Expert Explains)
