Oops, always get those two reversed. Nitrate is between 0 and 5. 37 gal tank has 26 fish (6 guppies, 6 diamond tetras, 5 danios, 3 red miner tetras, 3 panda catfish, 2 platties and a pleco), taller tank. We also added a small live plant about 4 weeks ago that helps keep NHx down some.
We were...