What’s wrong with my zoa?

[Tuan’s Reef]

Don’t know why this frag is struggling. It was doing well. Other corals in tank is doing good.

 

[Tuan’s Reef]

Phos is high because I just feed and took test.

Out of distilled water to test for calcium but it’s prob in line with alk

 

[Tuan’s Reef]

It’s on a frag rack in the upper sections of the tank. Maybe too much light? My other zoas is down low at the bottom and they are growing like crazy.

 

[James M]

Looks like Umbrella affect

 

[Tuan’s Reef]

Looks like Umbrella affect

Thanks for the response! What exactly is umbrella effect and how do stop it?

 

[Instigate]

Is that a vermetid snail tube on the plug?

 

[reeftivo]

Thanks for the response! What exactly is umbrella effect and how do stop it?

https://www.reef2reef.com/threads/zoa-paly-umbrella-effect.173059/

 

[Tuan’s Reef]

Is that a vermetid snail tube on the plug?

Good eye! I’m not sure what that is. I don’t see any stringy trail coming off of it so I would say no. It looks like a single strind of algae .... maybe bryopsis idk