Need Help with Identification

[sdavi66572]

Found this on some of my live rock not sure if is OK or bad. It is about a 1/4 inch long and looks like brown mud. If bad need help getting rid of it.
Thanks

 

[Reefing Madness]

Possibly Lyngbya spp
https://www.reefcleaners.org/nuisance-algae-id-guide

 

[sdavi66572]

Possibly Lyngbya spp
https://www.reefcleaners.org/nuisance-algae-id-guide

What do you think would be the best way to get rid of it?

 

[sdavi66572]

Any ideas of getting rid of Lyngbya spp on live rock