DIY Building a Vortex Filter for a hydroponics system. The Urban Farming Guys via Treehugger
Create beautiful water garden ponds, hybrid ponds, and crossover ponds with the easy to clean Ahi Hydro™ Vortex waterfall small pond filter.
Goponic Aquaponics Filter, Vortex Filter, Swirl Filter, Solid Sediment Filter, 4 stage filtration - YouTube
Purdue University's Introduction to Aquaponics. Good reference to commercial Aquaponic techniques
Koi Pond at Russell Watergardens & Koi
Awesome : Aquaponics How-To by the Urban Farming Guys
The recently formed south polar vortex stands out in the color-swaddled atmosphere of Saturn's largest moon, Titan, in this natural color view from NASA's Cassini spacecraft.
Vortex Filter DIY - Organic Fertilizer on Demand
DIY Aquaponics: Building a Vortex Filter (Video) : TreeHugger
Vortex filter using Matlala Biomedia