Confused

[Tautog]

nopox is carbon dosing(vinegar/vodka)
But Id like to see the grey algae. could be something else. the black algae could be too. Like brown jelly etc. those two thing really make me wonder.
fwiw my tests are a lot worse than yours and my corals are fine.
what light are you using. Led? base die off can be from shadowing too.

Black algae on goni's

 

[Tautog]

Black algae on goni's

nopox is carbon dosing(vinegar/vodka)
But Id like to see the grey algae. could be something else. the black algae could be too. Like brown jelly etc. those two thing really make me wonder.
fwiw my tests are a lot worse than yours and my corals are fine.
what light are you using. Led? base die off can be from shadowing too.

I have LEDs This chalice was moved a month ago, after the move the growth exploded, and part of the chalice is attached to rock, but separated from the original coral, top. Also, that's all new growth in front.

 

[Tautog]

I have LEDs This chalice was moved a month ago, after the move the growth exploded, and part of the chalice is attached to rock, but separated from the original coral, top. Also, that's all new growth in front.

nopox is carbon dosing(vinegar/vodka)
But Id like to see the grey algae. could be something else. the black algae could be too. Like brown jelly etc. those two thing really make me wonder.
fwiw my tests are a lot worse than yours and my corals are fine.
what light are you using. Led? base die off can be from shadowing too.

Last photo is a Miami Hurricane turned white, on left is another coral that was as small as a BB, and exploded in the past 3 months

 

[Tautog]

I agree that a picture would be good.

Photos are up

 

[Tautog]

Tank was 1 yr as of May
Salinity. 1.24

 

[Randy Holmes-Farley Verified Community Expert]

Is it only in lit areas? The concern is that perhaps it is not an algae, but bacteria or other organism. I can't tell much from the picture.

 

[Tautog]

Is it only in lit areas? The concern is that perhaps it is not an algae, but bacteria or other organism. I can't tell much from the picture.

The gray algae is growing from the underside, away from light. This gray algae landed, attached, and started killing the coral in that area

 

[Randy Holmes-Farley Verified Community Expert]

FWIW, I would not assume it is an algae. Consequently, figuring out what it is may be especially useful, and antibiotics or other specialized treatments might be useful.

 

[saltyfilmfolks]

FWIW, I would not assume it is an algae. Consequently, figuring out what it is may be especially useful, and antibiotics or other specialized treatments might be useful.

Agreed.
I'll look again on the desktop later. But the gray looks like normal growth. The black on the Goni appears to be bacteria or cyano or ooze because the animal is dying.
Dead stuff grows both so I'm curious if it's not the other way around. It's dying and alge and bacteria is forming. It's perhaps not tha sick tank but placement for light and flow or even an unhealthy animal to begin with.