fluoride free NZ | Where do the fluoridation chemicals come from?

The New Zealand Institute of Chemistry gives an impartial description of where the fluoridation chemicals come from and how they are manufactured.

Step 1 – Production of SiF4

The superphosphate production process results in the evolution of carbon dioxide, steam

and SiF4. This SiF4 is an environmental pollutant and so is removed from the gas stream

and used to produce fluorosilicic acid.

Step 2 – Hydrolysis of SiF4

The SiF4 is removed from the gas stream by contacting the gas with water droplets. This

water hydrolyses the SiF4 as follows:

3SiF4 + 2H2O → 2H2SiF6 + SiO2

The resultant hydrofluorosilicic acid (H2SiF6) is used for fluoridating drinking water

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“Even if we ignore all the evidence about the long term damage fluoride may cause and just say hey, it turns out that the worst case scenario is that some people get fluorosis of the teeth (which even the positive studies prove is the case) why should my children be exposed to that risk when their teeth are absolutely perfect without fluoride, we’re doing everything we can to keep them healthy, my poor girls hardly get lollies, never drink fizzy drinks or juice, yet the integrity of their oral health would be undermined so that people who don’t look after their teeth and drink whatever they like might have two less cavities by the time they’re twenty.

What kind of society are we living in where the very people that are doing their best to look after their families health are unwillingly forced to ingest something they don’t want or need as a stop gap to the poor education or apathy of others?”

Blair Rolfe, Rotorua