Zoas curling up

[Vu337]

will cyano make most to all my zoas curl up?

 

[Animagus]

Are the zoanthids being smothered by Cyanobacteria or is it just in the tank? If it's just in the tank then I would suspect it's something else that's causing your zoanthids to behave like that. How do your other corals look?

 

[Vu337]

It's in the sand bed and rocks I'm been overfeeding to fatten up my fish, all my other corals looks good except my setsoa colony it's dying