Hello, I have a clown Tang that I've had now for two weeks and has been going good, but here lately he has stop eating. My Temp is 77.3 Ammonia 0 Nitrate 0 nitrite 0 ph 8.4 SG 1.026. I have offered him Dried Seaweed with Garlic, Lettice, Brine shrimp. He has no sign of ich or other parasitic...