i use soil and a drip system .i've used dwc, nft, ebb and flow and the drip to waste is by far the easiest set up i've used. i set up a 4x8 plywood on 2x4 rails on 6 5-gal buckets. i use a clear plastic corrugated from home depot and drain into 40 gal res. have one table at each end or side by...