Thanks Wendell.
Jason, I'd have to agree with Wendell. For the most part it's tough to pinpoint one thing that is the desiding factor. Acclimation time can very between tanks as well as corals. I guess the trick to pulling the best/most color pigments is to create an enviroment were the coral doesn't host to much zooxanthellae. The brownish color of the zooxanthallae can wash out the vibrant colors. One must also remember that a stressed coral (such as from shipping)can expel zooxanthellae which can/will create a color that simply isn't posible in a healthy coral. Though I don't believe this to be the case with this coral. You also mention that the coenostreum has colored up but yet the polyps have not. The polyps are an area that naturally host the most zooxanthellae which is likely why you see what you do.
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