Growing WW in 5" x 5" fence post cut and drilled for I guess what you would call NFT, it has 3/8 tubing inside drilled to spray 2 streams of nutrients to each 4" basket. It has a 12 gal reservoir w/ a 350 gph pump that takes care of 2 of these 5' long NFT channels. Each channel has 5 4" baskets...