I was actually thinking, hmm should I add a BN pleco to add to the bioload and up total ammpnia, therefore increasing nitrates. lolCindiL said:How do your plants look? Are they showing signs of deficiency?
I think if you're reading 5ppm that would be ok, as that would be the net amount left over between fish ammonia and plants.
If you're seeing signs of deficiency it would be more fun to add in fish then Flourish Nitrogen