Mojano colony or cool filter feeder

[Sirspeedy77]

Name says it all. They are thriving beneath my zoas and growing visibly by the week.

 

[Macdaddynick1]

Hydroids

 

[Sirspeedy77]

Thank you, I switched to whites - kill it with fire or let them run their course?

 

[vetteguy53081]

Agree on droids

 

[Macdaddynick1]

Thank you, I switched to whites - kill it with fire or let them run their course?

I would remove the rock from the tank.

 

[Florida Sunshine]

I ended up taking out all of my rocks with hydroids and bleaching it. That is the only way I could get rid of them.
Fortunately I had quite a bit of LR in my sump and my fishload is small.