this is a similar system but much cheaper, plus its a good read

http://www.overgrow.com/article.php?articleid=12


ryder.
Ryder Reviewed by Ryder on . multi-flo ebb & flo has anyone tried a multi-flow ebb & flo system. it consists of 2 gallon pots with clay pellets connected to a controller and resevoir. it looks pretty efficient and manageable. this system can be viewed online at www.hydroponics.net. Feedback please Rating: 5