“The teachers together with the class president are in charge of operating Solvatten and it is working very well. There are no stomach aches and the students hygiene habits, like washing hands have improved now thanks to Solvatten” says Nairobi primary school founder and principal Douglas Monene Onkware. On behalf of a generous donations, 15 year-old Tamaia delivers Solvatten water purifiers to the INGRID primary school. A welcoming party with the 250 pupils (ages 3-12) was captured on film that day.