Any idea what these are ? Any help would be appreciated
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I was thinking feather duster also . Are those hydroids bad ? Thank uLooks like feather dusters to me (maybe a hydroid aswel?) Whitr mass to the left is a pineapple sponge
Thank uFeather 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.

