did this work? I am guessing it didn't. If you are able to starve the cotton candy, you will also starve your corals and they will die. Just a hunch. I have battled cotton candy and am on the verge of giving up and restarting. I am here now looking for something that works.
BTW, mexican turbos do eat it. Maybe the trick is to always ensure that you have several in the tank, sump, etc. I doubt you will ever get it removed, but you may be able to control it.