Also, a DWC bucket system is probably the easiest system to make. I now use DWC to grow all my mature plants after starting clones in E&F and letting their roots grow. All you have to do is take a bucket, make it light proof, cut a hole in the lid for the netpot and put an airstone in the bottom of the bucket. Just make sure the roots are touching the water and viola, a bucket system. It sounds too simple to be true but it works marvelously. Just have to be careful with using sucanat...