This system is relatively inexpensive and easy to build.
Gutter grow system.
The containers soak up water from the rain gutter using a net cup on the bottom of each container.
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2x 10 foot long treated 2x4s 1x 10 foot long vinyl rain gutter 2x end caps for the gutter 5 gallon food buckets 3 inch net cups inch or inch float valve power drill and hole saw scissors or knife.
At the core the rain gutter grow system is a self watering container gardening method.
I mentioned this system in a recent post about ways to conserve water in drought conditions since plants take as much water as they need as water wicks up through the containers.
Check out rain gutter grow system magazine by larry hall see lots od cutting edge container gardening http flip it fzi8uk also our face book rain gutter gr.