Fish feed

We can grow all our own fish food.

Using manure

We can feed the fish with manure. Read this research paper for more detail

http://www.fao.org/3/t0541e/T0541E0d.htm

Duckweed

We can grow duckweed so as to sequester Nitrogen from the air and create a rich staple diet for our fish. This is the entry point where Nitrogen enters our Aquaponics cycle, much like nitrogen fixers are used in Permaculture.

https://symbibiological.com/category/fish-food-project/

Maggots

Youtube Video on producing Duckweed and Maggot

Here’s a nice idea to allow the duckweed to fall into the fishtank automatically – without work or tech.