Hydroponics

[Brittany1]

Super cool and interesting

 

[MOS0231]

I have a book on the subject.

 

[GaRp58]

Going big & fast around the world. Not too complicated, not toooo expensive to get started depending on how big you start and lots of good info in You-tube on the subject to learn from. Food and fish in co-existance is a good prep if you have the space.