How often should my pump go on and off for a NFT or Aeroponic system?
In these kinds of systems where there is no growing media to hold any moisture, the roots of plants can dry out very quickly. Watering cycles need to be frequent and it will be up to you to determine what that takes. Some NFT growers leave their systems on continuously. To be on the safe side, you could begin with watering every half hour and slowly ease off until you find the perfect point.