Weeds growing on Zoas

[HungryOven]

 

[DoobDob]

Looks like some kind of hair algae? Try manually removing the algae so that it wont irritate your zoas.

 

[paul barker]

Have the same thing happened to me it's in my sand bed

 

[Maritimer]

Almost looks like Bryopsis - not something you're going to enjoy, long-term.

Look around here for the Fluconazole thread.

~Bruce