Cyano ID?

SmoothSmoke

New member
Is that cyano on my live rock? Hoping its not but looks like it. I used this rock to seed my tank. It only had purple when I bought it.....I think.
 

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Might be a little bit. Some looks like turf also. Let it be. It should seed things fine. I'm a fan of diversity. Get a couple other pieces from different people or stores. Rubble is good.
 
My nitrates tested between 0-5ppm today. Will check my phosphates later. Does cyano usually bloom in new tanks like diatom does?
 
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