Commercial purpose aquaponics . if you are planning to sell the proceeds of your aquaponic operation you will need a fish farm licence from mpi. the species that are being farmed in commercial aquaponic systems must be listed on the farmable fish list. how to set up a land based fish farm and the list of species allowed.. How aquaponics fish tank work: aquaponics fish tank work by taking ammonia-filled water from the fish tank created from fish waste to water the plants on top of this fish tank. the plants take the ammonia-laden water, filter it as fertilizer so return the water to the tank as fresh as if you used an everyday aquarium filter..
