I'm going to try to answer these as best I can. Just checked the parameters.
Ammonia: between 0-.25ppm
Nitrite: 0ppm
Nitrates: 0-5ppm
pH: about 8
Water temp: about 79 degrees F
The tank has been set up longer than 2 months. Most of the stock has been in there for more than a month. Stock includes: m. Johanni maingano, Frontosa, yellow lab, rusty, 2 acei, 2 female peacocks, OB peacock, venustus, tropheus duboisi, obliquidens, red zebra, 2 synodontis cats. All are about 2" in length. We're originally eating omega one cichlid formula and veggie formula but switched to NLS cichlid formula as per the recommendation of this forum. Once in a while they get ahold of a Wardley shrimp sinking pellet that I toss in for the cats. I do 10% changes every week and did a 40% change about 2 weeks ago.