I don't get it, Do you?

[super7]

Originally Posted by Der_Iron_Chef

It could also be the flow in the upper part of your aquarium.

I thought about that but the corals were spaced out and so on. Also when up near the top, when a part of the SPS was in shade it wouldn't bleach and would also have full polyp extension.
I will look into flow a little bit more though.
Thanks everyone