I tested my tank water yesterday, Ammo was 4ppm, Nitrites 5.0ppm or above (it's hard to tell) and Nitrates 40- 80ppm.
I've tested my water again this morning, Ammo 0ppm, Nitrites 0ppm and Nitrates either 0 or 5.0ppm?
I thought when a tank has fully cycled there are meant to be nitrates? Or...