Xenotar@Soulshine @cairobraga @humanhorseshoes @benroyce Good solution. In Brazil, the addition of iodine to table salt and the addition of folic acid to wheat flour are mandatory. Fluoride has been added by law to treated water in cities for decades (1975 law). We do not have table salt with added fluoride, only "light salt" which is 50% potassium/50% sodium in the form of chlorides.
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