Aloha,
I'm just getting into Aquaponics and this is my first experiment. I am running a 20 gallon fish tank (FT) and a 21.5 gallon grow bed (GB). My auto siphon is set at the 20 gallon level in the grow bed leaving roughly 1 1/2 " of dry gravel on top. The total GB depth is 15". I started cycling the system three days ago using the Peemonia method. Two days ago I added a hefty amount of bio…