Not sure what is going on, Need Help

[Jason McK]

Power head is on it but not directly. Some polyps at the base are out at night


Tank Perameters

Temp 79-81
SG 1.025
CA 390
dKH 8.4
PH 8.3
Ammonia 0
Nitrite 0
Nitrate 5
Has not been moved, but I have noticed Rappid growth over the last few weeks.
No major changes just added a Wave Maker. Which has increase the flow to the Acro.

Will have the BTA out of the Tank in the next two weeks.
Jason