SECTION 2 – THE NUTRIENT FILM TECHNIQUE (NFT) UNIT

 

Water flow diagram

1. Water flows by gravitation from the fish tank to the swirl filter and biofilter.
2. Water is pumped, using the submersible pump, from the biofilter to the fish tank (80% of the flow) and the NFT pipes (20% of the flow).
3. Water flows back from the pipes to the biofilter.

TABLE A8.4
List of items for the NFT unit