Small leafy green algae?

[keithadaniels]

Can anyone ID what is growing in my tank? It's on some of the live rock. I'm hoping it's good.

Thanks

 

[Sniperhank]

It could either be a small plating coraline or a macro algae Saltwater Aquarium Plants for Marine Reef Aquariums: Halimeda Plant (Algae)

 

[keithadaniels]

Cool. So then they're not bad.

Thanks!