Whats on my gsp rock?

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Cjsanders757

Aquarium Advice Freak
Joined
Jul 22, 2012
Messages
297
The big pinkish colored red thing behind the polyps came on the rock. Possibly apart of the gsp?

image-3905451639.jpg
 
Kinda looks like a sponge but not to sure could you get a closer clearer pic?
 
No I used my phone it's actually kinda smooth to the touch if that helps.
 
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