Chemical hygiene | karpathy

An evolving guide of protecting your health from a pricemaxxing industry.

Chemical hygiene – karpathy Chemical hygiene 18 Dec, 2025 Following up on digital hygiene , I wanted to write up my (evolving, opinionated) guide to chemical hygiene. I keep ranting about this topic to all of my friends recently (you can tell I'm really fun at parties), so I thought it would be worth writing it up to have it all in one place/url: Water Starting out with controlling your water system, which is the easiest in terms of concrete, high confidence recommendations that in my experience still only All your drinking water should come from Reverse Osmosis - the gold-standard Point of Us

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