Looking Good Josh
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Those Gorillas Nipples are definitely reaching for the light. They don't have that characteristic in my tank. Maybe try moving them a little closer to the top to see if they relax.
If the Xenia is retracted this is normally a good indication that something is out of whack. Xenia is very sensitive to PH swings so maybe a good idea to test the PH at different times during the day.
S.