Am I right about what this is?

[The Guy]

http://www.wetwebmedia.com/ca/volume...acemosa_WA.jpg
I'm pretty sure it's Caulerpa Racemosa or commonly called grapeweed, I have it growing in my refugium along with cheato and loaded with 1000's of copods and amphipods, so I have a very well fed Scooter blenny in my 33 gallon tank.
It grows like wild fire and mixes into the cheato, but does not seem to hamper growth of either.

[smokinreefer]

Grape caulerpra.

Make sure you can keep it under control.

It can be a horrible thing if not kept in check,

Or starts to grow in your Display!

[gregzz4]

I agree, if that's what you have, that you need to keep it with caution, or just get rid of it without bursting any of it
If it goes sexual you'll have a nasty mess

[The Guy]

After reading about this stuff sounds like I should be weeding it out before it takes over.

[SeaHorse_Fanatic]

If you consistently harvest some out, it shouldn't go sexual. It's usually when people leave it for a long time without harvesting that it goes sexual. And if you have a tang in the display, it'll eat it all up before the caulerpa gets a chance to establish itself.

[The Guy]

Hey Anthony I think you and I talked about this stuff once before, I remember you mentioning that the tangs like to eat it. So I guess I could elastic a clump of harvested pieces together for a Tang snack eh?