Acropora - PC Rainbow Clams & Scallops This dramatic marking is circled

This dramatic marking is circled by deep blue

Its eyes are ringed in bright yellow

Naso tangs tend to grow on the larger side

It may sometimes refuse to inflate if the water quality is poor

Its polyps dance and sway in the water

Acropora - PC Rainbow Clams & Scallops This dramatic marking is circledConsidered by many to be the pinnacle of reef keeping success, Acropora corals are extremely demanding, but just as rewarding if given proper care. They require exceptionally stable water quality which can only be provided in a well established aquarium over 6 months old. High levels of nitrate and phosphate are not tolerated and commonly cause browning; although low, stable levels are necessary for best growth and color. Alkalinity, calcium,