Algae ID with video

[turbo2oh]

I need some assistance Identifying the algae in my tank. I’m attaching a video. If I scoop it up it does kind of hold together in that it’s kind of stringy doesn’t feel mucus or slimy.

My tank parameters are:
Calcium: 421
Alk: 8.2
mg: 1213
Phosphate: 0.13
Nitrate: 0

I know I should try to get nitrate up general but would like to ID the algae first. I did recently have some GHA that’s mostly gone. Not sure if this is remnants of that or something else. My yellow eye Kole tang does pick at it some.

 

[Gumbies R Us]

Photo under white lights would help!

 

[turbo2oh]

a

 

[turbo2oh]

Photos above are under all white lights

 

[turbo2oh]

Anyone?

 

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Looks like hair algae, or Cladophoropsis (Green Wiry Algae). Would recommend cutting down the lights or doing a blackout, and then physically removing as much as possible. This can be a stubborn type of algae so you may be battling it for a while before finding something that works. Tuxedo or pincushion urchins would help as well.