hello guys im new to saltwater and have an interest in "biotopes" particularly the caribbean i bought live rock from tampa bay saltwater it has halemeda star coral sponges and what i think are squirts of some kind i was wondering if anyone had pics so i can try to replicate that area mostly the halemeda i was thinking about using it as nutrient export in the tank and would like to see how much i should / could leave in the tank thanx