Planting in a raft system of aquaponics involves suspending plants in the floating rafts (foam or polystyrene sheets), with their roots hanging down in the water. the floating rafts have holes drilled to fit the net cups used for supporting plants. the amount and location of holes depends on the vegetables and the distance between plants.. Aquaponics, growing fish and vegetables in your own backyard. aquaponic systems, information, workshops and components backyard aquaponics • view topic - dwc raft foam order. How to video on building aquaponic floating raft trays for free with recycled materials and some pots that were extra. *free foam* ~~~~aquaponic pots~~~~ htt....
