Plant growth in Coral/fish tank - question

[mws]

Originally Posted by newreefer_59

My tank is pretty much free of any nuisance algea or other annoying growths - except for this one. This grows on top of some live rock and around a plate of monti. It looks healthy and all, but is it ok to leave and is it indicative of something not correct? Tests are all within acceptable ranges.
Thanks

This is a Halimeda algae. It's a good plant to have. If your calcium level drops, it will turn white and alert you when dosing is needed.

http://reefkeeping.com/issues/2004-04/nftt/index.php

Where are you in Okotoks. I am on Woodhaven dr.

Natalia.