What eats halimeda?

[untamed]

Originally Posted by TheGrimReefer

I'm had a patch of halimeda macro algae growing in my tank for over a year. It used to be easy to remove manually. but now it's getting too fine and spreading around the tank. Any suggestions that would be appropriate for a 30 gallon?

That's really uncommon. Halimeda doesn't usually grow very quickly. It also "goes sexual" every now and then which usually keeps it's growth in check.