Well ammonia is a 0ppm nitrite is at 0ppm nitrate is 0ppm PH is 8.1. I have led lights on running at 50 % he is all the way in the top rock. Moderate water flow. I dose my tank with fuel from aqua vitro is a supplement for carbohydrate, vitamin, fatty acid and amino acids. I also dose the tank with calcium have coralline algae growing everywhere. Is a 29g biocube running for 7 months. Tons of cope pods everywhere.