So while doing my weekly tank maintenance this morning, I noticed this purplish spot on a rock.
I added coralline algae to the tank last week, so it seems a bit too soon for a spot this large to appear.
I don't know if this may be something else, like the start of cyano, or dinos.
Tank has been up and running since August 2, 2021. The lights were installed on January 19, 2022. Not too long after, I had an expected breakout of diatoms. The diatoms appear to be dying off at this point.
Any info would be appreciated.
I added coralline algae to the tank last week, so it seems a bit too soon for a spot this large to appear.
I don't know if this may be something else, like the start of cyano, or dinos.
Tank has been up and running since August 2, 2021. The lights were installed on January 19, 2022. Not too long after, I had an expected breakout of diatoms. The diatoms appear to be dying off at this point.
Any info would be appreciated.