![Filtre BioSable a Drop of Hope BioSand Water Filter project introducing how it works in Grow and Go childrens curriculum into schools Filtre BioSable a Drop of Hope BioSand Water Filter project introducing how it works in Grow and Go childrens curriculum into schools](https://www.unitedcaribbean.com/img/gallery/BioSand/biosand-2.jpg)
Filtre BioSable a Drop of Hope BioSand Water Filter project introducing how it works in Grow and Go childrens curriculum into schools
Low-tech Lab - 🇫🇷 Carlos, nous a enseigné la construction d'un filtre biosable: une colonne de roches finement broyées (sable) dans lesquelles vivent des microorganismes. Au passage de l'eau, ces derniers trappent
![Filtre BioSable a Drop of Hope BioSand Water Filter project introducing how it works in Grow and Go childrens curriculum into schools Filtre BioSable a Drop of Hope BioSand Water Filter project introducing how it works in Grow and Go childrens curriculum into schools](https://www.unitedcaribbean.com/Grow-and-Go-English/English-water-series/drop-of-hope-pp2.jpg)