Red Flame Angel Behavior

Hello All,

I have questions about my Red Flame Angel:
92 gallon tank.
Water:
Temp: 79-81
Ammonia: 0
Nitrites: 0
Nitrates: 5-15 depending on the day
pH: 8-8.1
Sal: 1.0235-1.025 refractometer
KH: 10-11
Ca: 400-420
Phosphates: sometimes .25 today 0

3 green/blue chromis
2 ocellaris clowns
1 GSP
1 Hammer

I bought about 25lbs of the white "dead" Reef Saver rock from BRS. I added a couple tiny pieces about a week ago, after rinsing them and letting them sit in my RO/DI water overnight.

Then a week or so after I added two medium sized pieces that had been in the RO/DO/salt water with a powerhead for a week or so. Then today one more piece (I have about 4 big pieces left but will wait a good amount of time because I am not sure how to build the rock scape).

My question is the Red Flame seems more of a rock dweller than ever. Now he explores the rocks and hangs in the dark more. Not totally, just more. He still comes out to eat. But he seems to have picked the middle of the rock in my bow front and almost "patrols" it. I have read some stuff that says they are rock dwellers and I should not worry.

Additionally, I am going to get a cleaner shrimp today because my kids are dying for one and I also read that they really should be kept with Red Flames because the flames sometimes have diseases built in that can benefit from the symbiosis. I made the cave out of the white rock for him, and maybe the cleaner shrimp's "car wash", but the fish have not ventured to the white yet.

Thanks

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