Need help dinoflagellates or Cyano

[Selyk]

Hey all just need help first big event in my tank I’m not sure if it’s dinoflagellates or Cyano need help

 

[SMSREEF]

2nd pic looks like cyano.
1st pic not sure.

https://www.reefcleaners.org/nuisance-algae-id-guide
https://reefs.com/magazine/hunting-with-a-microscope/

 

[Daniel92481]

Definitely try to treat for cyano first since it’s the easier route. Looks like cyano. Increase your flow 20% and wait two weeks.