Strange stuff pls help!

[onobob]

These waving I was told are reef worms is this true and Are they bad in your tank? This is a reef setup for over 20 yrs

 

[j.falk]

I'm not sure what you are referring to? The coral polyps or the bubbles coming off of the carpet of algae?

 

[Reefing Madness]

Yea, Coral Polyps, and..... Dinos??