Here is a quick tip. Searching the forum, I did not find any references to this system. The simplicity and automation should spark some ideas on container growing with automatic watering that can be used with buckets, totes, and other containers, all sub-irrigated by net cups submerged into a rain gutter full of water. Watch the videos for more information..
Hardware
http://www.youtube.com/watch?v=q1kIaJvpdTg&feature=relmfu
Results
http://www.youtube.com/watch?v=cd_NUqazoq0&feature=relmfu
Hardware
http://www.youtube.com/watch?v=q1kIaJvpdTg&feature=relmfu
Results
http://www.youtube.com/watch?v=cd_NUqazoq0&feature=relmfu