Zoanthids are MAD!

[bwalders65]

Alright so recently i have been having a issue with my zoanthids. Some polyps are happy but some seem to be overtaken by this greenish algae. Any advice? Im on day 1 of a furan treatment. thanks guys!

https://www.dropbox.com/s/iv8jwa74zxjmp3c/20150907_184223.jpg?dl=0

 

[bwalders65]

Also this is happening on a couple frags. It is not easily turkey basted off either.

 

[Joeganja]

Any clean up crew? High nitrates and phosphates? Too much light?

 

[bwalders65]

Alk: 8.5
Calcium: 430
Phos: 0
Nitrates: 5-8

I'm running a photon 32 at 40% over a 60 Gal.

I have snails and hermits etc.