Stinkbud's system is a great one, the best I've ever found and I've done a lot of experimenting with almost every kind of system to find what works best for me and this is it. However, and I think Stinkbud would agree, with some creativity and thought, there are always improvements that can be made to any system. For instance, Stink's system would not fit in my tiny little grow cab so I had to figure out ways to chop off some inches here and there. I use a 10 gal res and I have the drain holes in the back rather than the front. I also changed the uptake plumbing to save more room. In my configuration my "fence posts" can be nearly as long as the inside of my cabinet. You gotta think out of the bag and out of the bottle, not just out of the box. And I don't know if I made a smart decision or not but my thought on the timer setting is "Wet is wet; why does it need to run for 1 minute when the roots get just as wet from 30 seconds?" And the roots are still wet 5 minutes later so, knowing they need O2 just as much as water and nutes, I chose to double my "off" time to 10 minutes. Now the roots actually get reasonably dry - not really dry but damp and obviously enough to give the plants the O2 they need. I'm not trying to reinvent Stinkbuds system, just modify it to better suit my needs.