alt Hacker NewsIgnoring the cadmium problem, is fluoride really harmless? I don't know what concentration of fluoride you'd end up with from converting typical PFAS pollution, but if you get enough fluoride it is acutely poisonous, which might be worse than the carcinogenic PFAS. (Likewise, it might be worse for the environment)
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bawolff • last Sunday at 9:24 PM
Everything is toxic at a certain conentration, but as far as i know PFAS is a million times more toxic than flouride.
According to the EPA safe level for flouride for drinking water is up to 4 mg/L. The epa level for PFOS is 0.000004 mg/L, literally a million times lower.
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Fluoride doesn't bio-accumulate like PFAS do, which has a strong affinity for proteins and fats in organisms. Constantly drinking water with 0.5-1 ppm fluoride may cause minor side effects like mild dental fluorosis, but you'll excrete almost all the excess as it's very water soluble. Drink water with any PFAS, and your body will strongly hold on to it all.