Green Coralline Algae
 

Hello, trying to find out if this is Green Coralline Algae or not. If it isn't what should I do. It is quite green... Any assistance is appreciated.

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http://canreef.com/vbulletin/picture...pictureid=2872

green algae
 

from the colour of it ,it looks more like green hair algae,possibly chaetomorpha-without a closeup-i really can't tell- coralline algae is red pink or brown-and very slow growing-your herbivores should take care of this,or a sea urchin

Coraline can also come in a pinkish and yellow to yellow green color and I do have some that has a grayish color to it, that is an algae from what I can see. hermits sea urchin herbivores and the likes will clean that up. I would not worry about it to much as long as it's not HA but even that herbivores will eat.

Bill