What is this and how do I get rid of it?

[NasotheHutt]

The cyano like stuff with the bubbles in it, not the zoas.

 

[Sk8r]

Looks like cyano to me. Go to the blue number under my blog and look for the entry on Algae: how to stop cyano is in there.

 

[ZR1001]

+1 cyano.

 

[aquaticartist]

That looks like the start of a dinoflagellate bloom to me. I would start by checking your pH, you are usually able to get rid of it by elevating your pH levels. Here is a good article on the subject: http://reefkeeping.com/issues/2006-11/rhf/index.php