A crash course in changing the world.
Solvatten is a household water treatment unit.The portable 10 liter container is a patented and scientifically proven
Swedish invention. Put Solvatten in a sunny place, give it 2-6 hours
and the water will be drinkable. An indicator shows when it is safe to
drink. Solvatten can also be used as a solar water heater, providing hot water for cooking and hygiene.