What are these ?

[Easy Reefing]

Any idea what these are ? Any help would be appreciated

 

[Euphyllia97]

Looks like feather dusters to me (maybe a hydroid aswel?) Whitr mass to the left is a pineapple sponge

 

[Easy Reefing]

Looks like feather dusters to me (maybe a hydroid aswel?) Whitr mass to the left is a pineapple sponge

I was thinking feather duster also . Are those hydroids bad ? Thank u

 

[kchristensen8064]

Feather dusters! Hydroids are usually part of a newer tank and will disappear on their own. Not usually something to worry about unless they are colonial hydroids, these are not those though. Definitely feather dusters.

 

[Easy Reefing]

Feather dusters! Hydroids are usually part of a newer tank and will disappear on their own. Not usually something to worry about unless they are colonial hydroids, these are not those though. Definitely feather dusters.

Thank u