Montipora turning gray and slimy!

[BiggF!sh]

Just came home to see my montipora turning gray and it is like slimy. See attacthed images for more details. What could this be? Pls help so i can fix it!

 

[BancReefer]

what parameters do you monitor and how long has it been there? It looks like a dead spot from lack of flow more than a direct parameter issue since it’s happening from the inside of the coral.

 

[UMALUM]

Check your potassium

 

[BiggF!sh]

what parameters do you monitor and how long has it been there? It looks like a dead spot from lack of flow more than a direct parameter issue since it’s happening from the inside of the coral.

Could it be not enough light? I check mostly alk an ca as well as mg

 

[SliceGolfer]

Agree this looks like tissue necrosis in the center of the coral. Detritus, coral snow, precipitation, or other buildup on the tissue could cause this.

I see what looks like green cyano. Did you dose anything like Chemiclean that could have built up on that area of the Monti?

 

[BiggF!sh]

Agree this looks like tissue necrosis in the center of the coral. Detritus, coral snow, precipitation, or other buildup on the tissue could cause this.

I see what looks like green cyano. Did you dose anything like Chemiclean that could have built up on that area of the Monti?

No i dont dose that, should i try increasing flow?