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@jaredpolowick @JulianaLung Here is some study on fluoride in soda https://t.co/sD0AJixIKc It says it ranged from 0.02 to 1.28 ppm. California requires tap water to be 0.6 - 1.2 ppm Toothpaste has 1000-1500 ppm, it's very high, but you don't swallow it.