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2026-11-02 16:40:35 UTC
in reply to

A Midwestern Doctor on Nostr: Reverse osmosis is the one common filter that removes fluoride. But most RO systems ...

Reverse osmosis is the one common filter that removes fluoride. But most RO systems waste 20% to 75% of the water, and the worst waste 95%.

I explain how to pick a filter that's worth it, and what to drink when you can't use one, in this guide:
https://www.midwesterndoctor.com/p/what-water-should-you-drink