Step by step instructions on how to build and install self watering upside down Earthbox type containers on your patio. There is no waste run off of the irrigation water to the plants. Aesthetics aside, they seem to work pretty well for growing veggies upside down.
Photo credit: The Instructables.com
Hydroponics Dictionary
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This design is totally not what I imagined it would be, but is ingenious with a larger reservoir nonetheless. Great find!