Zoa fungus

[Rbnglnda]

I just noticed this today. I haven’t added anything to the tank in weeks and always dip my corals and quarantine my fish Any ideas what this is? I think it’s a fungus

 

[anthonymckay]

Sponge

 

[Crabs McJones]

Looks like sponge, common in zoa colonies for some reason

 

[Rbnglnda]

I just noticed this today. I haven’t added anything to the tank in weeks and always dip my corals and quarantine my fish Any ideas what this is? I think it’s a fungus

Sponge

Thank you. Should I leave it alone or try to remove it