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1. Ideal TDS is upto 500 ppm

Dear Mr. Hani

I strongly object to your very misleading statement that the TDS of drinking water should be between 100-500m and anything above 500 or below 100 will cause harm to one's body.

The standards set by the Bureau of Indian Standards very clearly states that potable water should ideally have TDS upto 500 ( not from 100 to 500) and also say in the absence of this quality, water having upto 2000 TDS can be consumed. The RO system manufacturers are misleading ignorant and people that even if the TDS is, say 350,it should be reduced to below 100 and there is another category of chaps who offer s salt to increase the TDS again!

Indukanth Ragade


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