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View Full Version : Algae, fish, wastewater, and filtering


SantaMonica
03-23-2013, 09:34 PM
Starts at 9:00...

http://video.ted.com/talk/podcast/2010/None/DanBarber_2010.mp4
rabbithazen
03-27-2013, 07:20 PM
thats awsome! just goes to show how great of a filter algae really is.