Thanks all!!!!
Foldem: im not sure if this is what you mean, but the fluidized bed filters are full of fine grain sand.
I will definitly post many more updates.
Mokujin22: I have only to big tank for my petro and troph keeping at the moment, the rest of the tanks are other tangs. I hope that i can maximize breeding, have healthy fish, and make the tank look good, that is why i am mixing the fish. What fish are you keeping?