Refugium Starter Package - (3) Mangroves, (8oz) Live Copepods & (4oz) Chaetomorpha Algae for Saltwater Coral Marine Fish Tank Aquarium Care Level: Very Easy Great For: Microalgae Control, Refugiums and Copepod Propogation Compatibility: Completely Safe with all Fish, Inverts and Coral 100% Live Arrival Guarantee. See Description for details Orders over $149 Receive Free Shipping. Build your order from our store and save.