Is this Coralline Algae?

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domant

Aquarium Advice Apprentice
Joined
Jan 8, 2013
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39
This stuff on my rock work won't siphon off or scrape off. It's purplish in color. Do you think its Coralline? Thanks!
 

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If it wont scrape off it's no cyano. :)

It does look a little more red than usual but coralline comes in many shades.
 
That is Coraline starting to grow,notice the green mixed in with the reds.Keep updating with pictures every week to show everyone that it is Coraline.LOL
 
IMO, coralline seems to grow out in circles like plaques--at least in my tank, it does! It's hard to see in the pic but maybe you can see it in person?? The more you scrub it i the tank, the more it'll show up in other parts of your tank.
 
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