RE: WADI - solar water disinfection in PET bottles

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WADI - solar water disinfection in PET bottles

in steemhunt •  6 years ago 

Brilliant invention to have safe water. Usage is also simple, after filling the bottles we just let them to the sun together with this device. After a while it shows smile icon so we will have drinkable water.

steemhunt
6 years ago by

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      ·  6 years ago 

    Yaa correctly, thanks for review

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