Didn’t know coralline was dark red like that, I’ll try blowing it off. Thanks mvalleeLooks like coraline algae to me, I have coraline of the same color, if it blows off though it's probably cyano but does not look like that to me.
Awesome. I’ve always only seen the purple in my tanks. Appreciate the schooling.Good, it is coraline algae. Good stuff.
Coraline algae come in pink, maroon, purple, dark red and a combination of these color.
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