So great news! I was able to get the ammonia levels down to 0.25 ppm. However the nitrite is still at 5.0 ppm, nitrate : 20.0 ppm, specific gravity : 1.030, salinity : 40 ppt. My pH is also at 8.0.
Yesterday I did a 60% water change, as well as changed out my media in my HOB. I kept the big...