Comment by hanspeter
7 months ago
While they don't add fluoride, the natural levels in German tap water can reach 0.3 mg/L. Compared to the US recommended level of 0.7 mg/L in fluoridated water, that's not an insignificant amount.
7 months ago
While they don't add fluoride, the natural levels in German tap water can reach 0.3 mg/L. Compared to the US recommended level of 0.7 mg/L in fluoridated water, that's not an insignificant amount.
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