I just purchased my first tank. It is 110 gallon SW with a 30 gallon sump underneath. The store set it up for me in my house. 4 days after the set up they put in a 10 inch grouper to cycle the tank. I am 4 weeks and 1 day with the grouper in the tank. PH 8.2, Ammonia is .25 ppm, Nitrite is 5 ppm...