the water where they receive nutrient rich water from the pumps. (The Different Types of Aquaponics
System, n.d.).
Figure 28. Stone wool Seedlings (Aquaponic Designs, n.d.)
Figure 29 shows a good representation of how the floating rafter configuration works. The figure shows
the foam floating raft with the holes cut out in them. The starting cube is inserted into the raft, and the
roots pop out of the raft and float in the nutrient rich water. This method is very simple and uses water
instead of soil or any other solid medium which makes this setup truly aquaponic.
Figure 29. Underneath Floating Rafter (Aquaponic Designs, n.d.)
2.3.2.6.3 Fish Tank / Growing Tank in One
It is also possible to build a system that combines the fish tank with the floating growing rafter. This