Just recently set up, about 3 of the frags, that i've recently aquired have some macro algae on it, one has some caulerpa on it, (easily tweezed off I'm assuming)
and one has this red string/plant stalk like macro on it.
I've seen it on numerous wild aquaculture colonies.
As far as maintenance, weekly 1g wc's.
Only have a peppermint shrimp, 1 Astrea Snail, and 4 Hermits.
Think a fish will be added down the line.