Question about Trachyphyllia

[AXBROWN]

So I recently purchased my first two Trachyphyllia corals. Both of them have not opened up since I purchased them. I have them both in the sand (I have a 75 gallon mixed reef) and they are approximately 30" below my LED fixture. I have a scolly on the sand as well, along with acans (nowhere near in proximity) and those are doing great. Do Trachyphyllia need lower light than scollys and acans?

Another symptom: they open at night but not during the day?

Here are some water parameters:

pH: 8.2
Alkalinity: 9.0
Salinity: 1.026
Calcium: 400
Ammonia: 0
Nitrite: 0
Nitrate: 10

 

[rt67ghy]

I'd give them time to get used to your tank. Normally they do open at night and it's a great time to target feed them.