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.
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.
RE: WADI - solar water disinfection in PET bottles