Is this the start of cyano?

[Jeremy M Nadeau]

Looks purple.

Much love

 

[Alvin Alejandro]

It looks more like a diatom bloom in my opinion

 

[saltyfilmfolks]

bit of both maybe. Young tank?

 

[120reefkeeper]

bit of both maybe. Young tank?

+1

 

[caity]

Both

 

[Alvin Alejandro]

How old is your tank? Mine is about a month old and I just started getting a small diatom bloom because my gf decided to over feed the tank