Algae or not?

Tommy Shumpert

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Can anyone see the red? What is that? cyanobacteria?

My nitrates stay around 2. And I do an auto water change, 1/2 gallon a day. I have a 60gal. Reefer 250.

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Cory

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Yes it looks like it.does it blow off? If so likely cyano.
 

Looking back to your reefing roots: Did you start with Instant Ocean salt?

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