What is this??!

[Curtis Rose]

cycleing 5 gallon no light added fritz zyme and rods food for bacteria and ammonia source nothing else has been added. What in the world is this it’s in more than one place

 

[Hemmdog]

Cyano

 

[Curtis Rose]

Even with no light??

 

[Hemmdog]

Even with no light??

Yea

 

[Curtis Rose]

How does that work doesn’t cyano stop blooming without light?