After months of youtubing decided to make my own system I like the idea of Easy organic nutrients from aquaponics and the idea of misting the roots from aeroponics so I decided to combine the two. My first system ever. I spent quite a bit work on the system. but I am not impressed with my results. I don't think I have enough fish in my 20 gal res 4 gold fish and 2 koi. Is there a good rule of th…