Is this blue and green coralline algea?

Zoa_Fanatic

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I have regular purple coralline growing on my rocks. I also have this very light blue colored algea that looks similar and a hard green algea on some of my other rocks. Are these coralline? Also some white colored areas on my back wall. Is that the start of coralline?

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It may be blue. Hard to tell from the pics.
I have some red also.
If the red is slimey to the touch and does not blow off it may be red turf algae.
I have urchins that are putting a heavy dent in the red turf but they also eat coralline.
 
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It may be blue. Hard to tell from the pics.
I have some red also.
If the red is slimey to the touch and does not blow off it may be red turf algae.
I have urchins that are putting a heavy dent in the red turf but they also eat coralline.
i have red slime in there too. This is definitely red hard coralline. Let me take some better pics.

pic 1: possible red coralline algea

pic 2: confirmed red slime

pic 3: possible blue coralline with regular coralline side by side

pic 4: mysterious green algea which is hard like coralline

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