White spots on zoa's

[MalawianDude]

I've noticed one maybe two different zoa's of mine gettin white spots on the polyps like "eye" part of it.

Was reading may be due to too much lighting? The tank is a 33g long with 260w PC on it.

 

[Aquarist007]

Here is a link that might help you out:

http://www.nano-reef.com/forums/index.php?showtopic=108087&pid=1024433&st=0&#entry1024433