Bio beach clarify - Using a 2 litre PET canteen (before SODIS) Video Clips.
Here is a cheap way to make a good bio sand filter, capable of removing all turbidity and also bacteria to some extent. At www.biome-solutions.com there is a platform for students to intern and learn what simple water treatment systems are and what good quality water means to the community. In combination with SODIS (www.sodis.ch) ,this bio sand filter can be a good treatment for water in flooded areas..
Keywords: Biosand filter, water filtration, SODIS
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