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1. Presence of fluoride in water is harmful even if TDS is low

Dear Mr.Ritish

While you are cautioning people about the dangers of drinking water containing fluoride is to be appreciated, you have erroneously mixed up TDS and fluoride content. Presence of fluoride salts in water is harmful for human health even if that water has low TDS. Water which contains no fluorides but has very low TDS is not very palatable, although there is no harm in drinking it.


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