Cyano from old lighting?

[fishnugget1]

Can cyno and algae on glass come from t5 lamps that are too old?cancyno be green as well as red? I have both

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[DEWreefing]

It is a possibility when t5 become older they start putting out more green and red. So algae is possible not sure about cyanobacteria due to that being a bacteria issue.

 

[fishnugget1]

What type of algae does this create

 

[fishnugget1]

 

[fishnugget1]

I have red and green. Don’t know if this is cyno or what. Not stringy. No air bubbles