Orange Coraline ?

[geniusgio]

so my rocks have pink, purple , red and some green coraline. Saw this on my rock with lots of red and purple coraline ... what’s up with the orange spot ?

( the red isn’t Cyno by the way ) doesn’t come off , needs to be scraped off. Rock came from an established tank I used to have for some time.

 

[Bigbaby]

Hahaha im hoping its some sort of algae. I kinda like the look of it. Hope we get some answers soon.

 

[John3]

Could be a spot about to die. When it dies it will glow under blue and sometimes mine looks orange or pink. Just temporary and will regrow.

 

[geniusgio]

Could be a spot about to die. When it dies it will glow under blue and sometimes mine looks orange or pink. Just temporary and will regrow.

I’ve read something similar to that.

 

[Servillius]

Yep, when you see that color at the edge of a frag, you know it’s about to start encrusting.

 

[Brice Wagner]

May be a sponge?

 

[VA5]

I have the same things growing in my tank. Agree with sponge suggestion. You could feel it to make sure. Coralline will of course be hard.