waterdrop
Enthusiastic "Re-Beginner"
No, this is correct. Mature media seedings quite often show less "pattern" of tall graph spikes because they bring the filter closer to the flat line of a working biofilter.
And often it is presence of N-Bacs that feels more surprising. Since each 1ppm of ammonia gets processed in to about 2.7ppm of nitrite(NO2) the N-Bac colony size in mature media is larger than the A-Bac colony size. Also, I've always thought that N-Bacs (Nitrospira) are slightly more stubborn to get started but also "hang tough" a little better whereas A-Bacs (Nitrosomonas) are a little more easily disturbed such that their colonies can get disturbed, go away a bit, but then come back.
~~waterdrop~~
And often it is presence of N-Bacs that feels more surprising. Since each 1ppm of ammonia gets processed in to about 2.7ppm of nitrite(NO2) the N-Bac colony size in mature media is larger than the A-Bac colony size. Also, I've always thought that N-Bacs (Nitrospira) are slightly more stubborn to get started but also "hang tough" a little better whereas A-Bacs (Nitrosomonas) are a little more easily disturbed such that their colonies can get disturbed, go away a bit, but then come back.
~~waterdrop~~