I'm a beginner to aquaponics, and right now we have everything set up besides the plants in the plant bed. I have tiger barbs, a red tailed shark, and a crawfish in the tank that are living pretty peacefully together right now.
My question is, looking at pictures I noticed most people (if they have their fish in an aquarium) do not have any substrate or anything at the bottom of the tank. Is there a reason for this?
I just really want to make the tank look pretty, (ha ha) and add substrate and maybe one live plant, but I was concerned about if that would effect the whole aquaponics system.... so would it? Or is it okay for me to add cool decorations and substrate to the tank?