What's this on my Candy Cane?

[Straasha]

Anyone know what this is on my Candy Cane coral?

 

[peteyspizza]

Algae? Hold it in front of a pump and see if it blows off

 

[Straasha]

Algae? Hold it in front of a pump and see if it blows off

It has been there for a week. I wasn't sure if I should pull it off or not.

 

[Sparkymarc]

It looks like like it may be going #2

 

[ScottR]

They eat and poop through their mouths. Just the poop coming out. Quite normal