How to build your own passive hydroponics rig, with just some bottles, soil and cardboard. Full guide for growing your free food - http://red-dot-geek.com/easy-diy-hydroponics-beginners/
“Green is the prime color of the world, and that from which its loveliness arises. - Pedro Calderon de la Barca
Hello! I am Ang Koo Kuay I am here because I believe a simple presentation can change the world. You can find me at @angkookuay
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