Uh.... I may have made a few mistakes in the setup of this tank.
Ammonia, nitrate, nitrite are all at 0ppm.
Ph is about 7.6
Filtration: One 40-gallon rated Top Fin HOB, one 45-gallon rated Tetra HOB, and one 75-gallon rated sponge filter with a chunky air pump.
The stock list: (Where things...