A strange glow?

[Matt Smothers]

I cleaned off some algea and noticed this this morning. What is it?

 

[Wolf89]

Beginnings of coraline

 

[Matt Smothers]

Beginnings of coraline

I have slot of purple, but haven't seen any orange. Is there a difference other than the color?

 

[jeffchapok]

Red cyano will also flouresce under actinic light.

 

[Matt Smothers]

Red cyano will also flouresce under actinic light.

I had a bacterial break out when I first started this tank, this is totally different

 

[Will Wohlers]

Coraline will do this that wasn't exposed to much light or was exposed to air. If you recently scrubbed algae off that spot that would be the culprit.

 

[Matt Smothers]

Coraline will do this that wasn't exposed to much light or was exposed to air. If you recently scrubbed algae off that spot that would be the culprit.

That would explain it, the rock was both. It was covered in algae and I cleaned it out of the tank