Well, yesterday, i did a 50% water change, and in the back of my 14gallon bio cube, i replaced the bioballs with peices of live rock. Then it got really cloudy and it got a little better over night, but it still is really cloudy. Now that the water has cleared up, i can actually see it. Besides it being really cloudy, i noticed that it has all of this brown stuff over sand, i dont know if its algea or not because my tank has been set up for only 1 month so far, any suggestions on the water, and the sand?