Picked up some frags yesterday from a couple local guys, got a “white photosynthetic gorgonian” all polyps opened up after the first day but I noticed a little white ball around one of the branches? Is this a disease or just part of the gorgonian?
Probably a sponge growing on it. Gently remove it. Mine had a black/purple nodule like that and it died beyond it. It didn't bother the rest of it though.
I trimmed it off eventually. The one on the right near the top.
My gorg bubbles up like that, then a few days later a new branch appears. Not saying that is what yours is doing, but it looks like what mine does(different type of gorg, but still photosynthetic).