ID please

[myOmy]

a sudden explode of this brown palm tree thing on the GSP. all over the purple part of it. Someone please ID this and tell me how can i get rid of it.

 

[DSC reef]

Looks like colonial hydroids. Manual removal at the base should work. Welcome to R2R
#WelcometoR2R

 

[Lovemyreef2015]

Looks like colonial hydroids. Manual removal at the base should work. Welcome to R2R

+1 welcome to R2R

 

[myOmy]

thank you for the warm welcome

 

[reef lover]

Welcome to r2r !

 

[samnaz]

Looks like hydroids.