
Anatomy of an aquaponic fish tank filter - google search. anatomy of an aquaponic fish tank filter - google search. Backyard aquaponics • view topic - diy radial filter water is cycled in to the system via pumps and then drained back into a settling tank and then the fish tank. new rafts are added weekly pushing the older rafts further down the line...sort of like a slow conveyer. at the end of the line, mature plants are harvested.. In a normal aquarium, a water filter is a must so that the fish are protected from the very waste they produce. however, you are usually led to believe that in an aquaponics system, the plants...