The substance referred to as Fluoride, is either, the highly toxic S6 Poisonous (Fluorosilic Acid [H2SiF6] aluminium smelter waste or according to Queensland Health, they import DiSodium Hexafluorosilicate [Na2SiF6.] phosphate fertiliser waste containing Arsenic, Mercury, Barium, Lead, Beryllium, Polonium and other heavy metals.