Question: how to make nft hydroponic system?
Answer: 4" wide PVC pipe (in this case, I cut the pipe down to 1' 8" in length, but you could hypothetically have it up to 15' in length)
A grow light.
Two pieces of 2 by 4s.
6' of 3/4" wide black vinyl tubing (two pieces. ... 
A storage bin.
3" plastic netted pots.
Submersible pump (159 gph)