Blue Ricordea MushroomsHow to Care for Blue Ricordea Mushrooms written by Dave Burr Blue Ricordea Mushrooms are a great beginners coral and will glow beautifully under actinic lighting. They are sure to stand out in any reef aquarium. Placement: Mount the Blue Ricordea Mushrooms using IC gel glue, or putty, in the bottom half of the aquarium where they can reproduce and expand their colonies over the rock. If you do not want them growing on your your main rock structure try