Zoa/paly fungus treatment

[BackOffice]

There's some kind of white fungus growing on some of my palys and zoas and causing them to melt. I tried doing furan 2 dips but it's not really solving the issue. Does anyone know of any effective treatments?

 

[Ranjib]

pics?
never heard of zoa fungus. i only had zoa pox or zoa spider.

 

[joseserrano]

Pics please

 

[danschoenherr]

Could be a sponge also.....need pics