To add a bit more, this is a 40 breeder with a tetra whisper ex45 filter, temperature around 79º, +-. There were aboutr 20-22 glowlight tetras, 15 black neon, 4 otocinclus, 2 bristlenose, a handful of ghost shrimp, 5 or 6 mystery snails and a few small nerites. Parameters have been stable for...