This step-by-step video demonstrates how to build a Biosand Water Filtration System (300L per day) following Aqueous Solutions' design model. More videos related to this topic are available on their site at aqsolutions.org.
This step-by-step video demonstrates how to build a Biosand Water Filtration System (300L per day) following Aqueous Solutions' design model. More videos related to this topic are available on their site at aqsolutions.org.