reddish algae i.d. good or bad?

MrRichieIII

New member
It been isolated to this one rock and started off about nickle sized and almost completely covered the rock (side exposed to light) over the course of a year. its somewhat fleshy, slimy feeling. No other growth like this has been found any where on the rest of the 20lbs of LR I have. This piece is about fist sized.

http://pbckt.com/pK.Niy8uE
Thanks in advance for any help :)
 
It actually looks like corraline algae to me.

If it was cyano it would have rubbed off and floated away when you touched it.
 
And again it's never had like an outbreak effect of a bad algae bloom. For 1+ year it's been on this rock only. I had a green hair like algae bloom once and this stuff wasn't anything like that.
 
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