Hydroid Tubewom??

[Michael28239]

 

[Michael28239]

Please help identify are they a pest. Are they harmless or harmful to other corals?

 

[Crabs McJones]

Colonial hydroids. Remove

 

[Michael28239]

Colonial hydroids. Remove

How can I get them removed?

 

[Crabs McJones]

How can I get them removed?

If there's only a small cluster of them, manual removal is best. Take the rock, scrape them off. If there's alot then look into fenbendazole

 

[Michael28239]

If there's only a small cluster of them, manual removal is best. Take the rock, scrape them off. If there's alot then look into fenbendazole

Thanks for the help!!