full drinking water related videos

 

How much of bore water is safe - 300 - 500 ph 6 to 8 - full drinking water research in 5 years

https://youtu.be/di8bSwGhxUY?t=557

RO water plants banned in the area where ground water is lessthan 500PPM

https://youtu.be/di8bSwGhxUY?t=959


by fittuber

https://www.youtube.com/watch?v=MIM3N7neb2c

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cow dung and ghee to produce oxyzen

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