in an established tank there would be no reason to test for ammonia or nitrite, they would not be present.
You gave the answer away.
in an established tank there would be no reason to test for ammonia or nitrite, they would not be present.
You gave the answer away.
nitrites ......will do no harm within normal levels.
Disagree. Nitrite is considered toxic but not as horrible as ammonia.
How much surface and deep your DSB is? And how much water in your system total?