I have been cycling my tank since 2/12/2018. IT is cycled and I have 3 hermit crabs in it but need to continue to add live stock. I decided to put a clownfish or two in-the tank to make sure the bacteria had food. The guy at petco refused to sell me a clown saying that I needed to start with a fire Goby. Because the clown needed a social group and the tank needed more cleaners first. Can you help me make sense of this. Is what he is saying true? Is there a balance? I read and watched videos and thought I had a good handle on this first few weeks. My students opted to go with clowns to keep the system fed and continue to raise money to extend the CUC in the coming weeks. Now they will come to school tomorrow and there will be no fish.... FRUSTRATED



