I have a 55Gallon that has been set up for almost two months now, i have about 75 pounds of live rock in it. I also have a Hammer Coral and a Galaxea Coral, my hammer is doing good as far as i can tell but my Galaxea has brown and green spots on it. I dont know what to do my nitrite,nitrate, and amonia are all o.oppm but i dont know what todo can someone help me and give me some advice.