Alejandro Velez and Nikhil Arora, co-founders of Back to the Roots LLC in Oakland, Calif., have grown a business out of other companies' trash. They manufacture grow-at-home oyster mushroom kits filled with used coffee grounds. WSJ's Lauren Rudser reports. Video originally aired November 13, 2011.
Grow Your Own Mushrooms in Used Coffee Grounds
Alejandro Velez and Nikhil Arora, co-founders of Back to the Roots LLC in Oakland, Calif., have grown a business out of other companies' trash. They manufacture grow-at-home oyster mushroom kits filled with used coffee grounds. WSJ's Lauren Rudser reports. Video originally aired November 13, 2011.
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