Acro Bleaching?

[krzyphsygy]

So I cant take a pic because my camera only shows up in blue because of my lights.

I have an acro that I got from ORA...I think its a Validia, anyway the tips on it were blue and the rest of it was kinda tan/brown. Now the tips are still blue but much deeper blue and the rest of it is kinda grey/white.

Is my acro bleaching or turning another color? The coral is on the sand bed and my lighting ia ATI Sunpower 6x80watt.

 

[spsexpert]

it's called STN (slow tissue necrosis)

what is your water parameters?

 

[krzyphsygy]

it's called STN (slow tissue necrosis)

what is your water parameters?

The tissue is not receeding, its turning a pale grey white color. Tips are still crazy blue.

Mag 1480
Alk 9.5
Cal 460
Nitrate 0
Phos Zero or pretty close
PH 8.2

 

[Dexters Reef]

just a shot in the dark...what are your ammonia and nitrates? tank temperature? salinity? tank size and water flow? How old are your bulbs?

I have a 3" ORA turquoise stag, its about 3-4 main branches that have nice blue tips and the body is dark green. Polyps are always out. I keep mine in the sandbed and it has been thriving (I also have 716w of light). My paramaters are very close to the ones you posted (my mag and calcium are a little lower), and I keep alk in the 9-9.5 range.

Does yours extend polyps?

 

[krzyphsygy]

Amon 0
Nitrates 0
SG 1.024
Temp 77-79
125 gallon
Vortec MP40
Tunze 6105 o Controller

All other corals are doing fine, its ust this one...I moved it tonight down the sand bed to a darker spot.

 

[krzyphsygy]

Polyps are not really extended, its like they are a quarter of the way out. Just barely pokng out.

 

[mr_bigl]

Sg should be around 1.026. I'd raise it up some. It may not be the issue but until you raise it up I can't rule it out. Raise it slowly though.