What happen with my torch tissue ?

[carlislepham]

Anyone know what happen with my torch tissue ?
My parameters :
KH : 8.6
Ca : 420
Mg : 1400
No3 : 5
Po4 : 0.01
PH : 8.4

 

[Mr. Mojo Rising]

What is the white? Is it sponge, or is the corals bleaching?
How old is your tank? What kind of lighting do you have? Do you know the par level where this coral sits?
It looks like a strong one way flow in the tank? All polyps are pulling to the right...

 

[carlislepham]

What is the white? Is it sponge, or is the corals bleaching?
How old is your tank? What kind of lighting do you have? Do you know the par level where this coral sits?
It looks like a strong one way flow in the tank? All polyps are pulling to the right...

The white is there tissue, about 1 month ago, they full white but now it have a haft change color like my picture

My light is hydra32hd and i dont know par where there sits. I think it have a problem with there tissue, the color still normal.

There is they tissue 1month ago:

There is pictur in the morning: