I have a 54 gallon 3-4 month marine tank with 55 lbs of Fiji live rock. I have 1 maroon clown, 1 Yellow tang, 4 eel gobies, 1 black star damsel and 1 maroon clown fish. All the fish are very small-2-3 inches. I have a wet/dry trickle filter with bio balls. I am using a AquaC Urchin protein...