What is this red stuff?

[ken1977]

http://img.tapatalk.com/4b8c0c64-c492-cc0a.jpg

[drew2007]

I would say its most likely cyanobacteria aka red slime algae.

[Misled]

http://www.reefcentral.com/forums/showthread.php?t=2095174&highlight=cyano

[Percula9]

Take a turkey baster and blow it off before it kills your coral. It is cyanobacteria.

[ken1977]

I heard your not supposed to blow it off, supposed to suck it in the turkey baster. Tell me if I'm wrong.

[Snookster]

Yes, suck it out.