Help with coral being suffocated

[Jesse571]

Any idea what this brown/rust that is covering my coral and not allowing it to open up? I have tried blowing off as well have plenty of flow and light. Nitrates 5-10ppm and phosphate 0.03. It's not anywhere else in my 75 gallon mixed reef. Not on other corals or rock or sand. Thanks for your time with this.

 

[Rick's Reviews]

Looks like mixed cloved polyps, can you get better pic in white and highlight 'rust'

 

[Reefer Matt]

I modified the pic for you. Looks like possible cyano or algae. Siphoning it off might help.

 

[Rick's Reviews]

I modified the pic for you. Looks like possible cyano or algae.

Not for me or others... Its for your enquiry, still can not see what you mean

 

[Reefer Matt]

Not for me or others... Its for your enquiry, still can not see what you mean

I am not the original poster. I changed the white balance in the photo for them.

 

[Rick's Reviews]

Great, problem solved

 

[Rick's Reviews]

I am not the original poster. I changed the white balance in the photo for them.

 

[Reefer Matt]

Great, problem solved

Just trying to help.

 

[Rick's Reviews]

Just trying to help.

Sorry, missed you was not 'op' my fault, great.... Let's have a look at photos .
Sorry again

 

[Jesse571]

Looks like mixed cloved polyps, can you get better pic in white and highlight 'rust'

Yes it's cloved polyps. I will try to get a better pic. It's not Cyrano or Dino. And it only on this one rock and not on any other corals, rocks or sand. I know they like "dirty water" and wonder if my nitrates are too low but I just checked and nitrates are 8.3 and phosphate is 0.03

 

[Jesse571]

I modified the pic for you. Looks like possible cyano or algae. Siphoning it off might help.

I have blown them many times. I just used a soft brush and that seems to have "cleaned" up the area. Will see now if they open up. Have had Cyrano and Dino before in another tank and this I'm sure is not that. Tank running 2 years and no major problems. This is a fairly new piece about a month old but was fully open up to about a week ago. It had some hair alage growing on it that I pulled off.

 

[Jesse571]

Just trying to help.

Thank you