I think it has to do with the LED bar because the front half of my BC double rainbow is lighter than the back half and the XHO bar is only mounted in the front. However, the back half gets more light from the T5's, is less light and has much better color. So I'm not 100% if it is too much LED light hitting the front of the coral causing the front to have less color or if the back half is more colorful because it is getting more T5 light than the front. It's kind of weird.
Also, when I added my BC DR, my nutrients were way to low. That was 8-months ago, so maybe it is recovering still
