
The n.f.t. system (nutrient film technique) is quite popular with home hydroponic growers as well. mainly because of it's fairly simple design.. A home-built nft hydroponic system. nutrient film technique (nft) is a hydroponic technique where in a very shallow stream of water containing all the dissolved nutrients required for plant growth is re-circulated past the bare roots of plants in a watertight gully, also known as channels.. Hydroponic nft system. nft system or nutrient film technique is a great system for growing high...