Litro de Luz is using innovative solar technologies to empower communities and improve living conditions without electricity.

Liter of Light helps poor communities around the ... They start with day lights which are made by filling the bottles with water and bleach. They are then fixed to roofs refracting sunlight ...

First make sure that you dilute the correct amount of bleach in water, according to the label’s instructions. Secondly, you must always rinse surfaces well after cleaning to reduce the residue ...