I was looking for a way to grow vertical using hydroponics and after seeing some larger and expensive aeroponic units I came up with what I call the rain tower. I used a 5 gallon bucket and lid from the local hydroponics store. The main tower is 5" x 5" PVC fence post and there is 3" PVC pipe that holds the net pots diagonally into the tower, The pump is an ECO 264 pump on a timer that turns on every 15 minutes and runs for 15 minutes. The most difficult part of this whole unit was getting the right shape for the net pot holes in the tower. I created templates and a video with step by step directions which in this article:
Check it out!