Briarium green Star polyps not really extending anymore

[SUPERSTOCKRACER]

These were spreading like crazy and really waving but now only open up slightly with very little movement. The whole tank has every possible coral in it and everything is amazing but now for a month now nothings really happening with them.
What do they need to expand again fully. Something is wrong. AI Sol's and AI hydras LED's.

 

[CuttleKid]

This is the nonphotosynthetic coral forum. I would ask the same question in the soft coral forum. You will probably get a quicker answer. Good luck with your corals!