Need help to identify algea

[Nietoaq]

Hi guys i just started in the saltwater hobby have had tank running for about 3 months now. Ive done a lot of research before setting it up. All seems to be going great DT has no algea exept for some at the bottom of the glass Close to the sandbed which i leave for the copepods. Issue is the refugium i have chaeto growibg in there with a 38par led and a 75watt ufo grow ligth. Chaeto has grown like crazy with the grow ligth but even before the grow ligth ive been getting this brown algea like film with air bubbles in it no strings so im on the fence wether its dinos or cyano hope you guys can help. Thanks in advance.
Ammonia- 0 red sea
Nitrite - 0 red sea
Nitrates - les than 2ppm
PH - 7.8 according to RKE probe
Temp - 78°f
Running carbon and phosphate media

 

[Nietoaq]

Also how do you upload picture with phone?

 

[jraker]

Might be cyano, or diatoms. Both are pretty standard for new tanks. Just do some water changes and maybe increase flow in that area. It should start to go away soon enough.

 

[Nietoaq]

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[Nietoaq]

I do 10-20% water changes every week and not sure how to increase flow inside the refugium? Im afraid to detach it and have it go into the DT.

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[jraker]

Ah, sorry. I didn't read that it was in the refugium. Again, it is pretty standard for a new tank, and should go away by its own soon enough. You can try manually removing as much as you can, and black out the refugium for a few days. That has worked for me in the past when dealing with cyano/diatoms.

 

[Nietoaq]

Will try it out ty.

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[Grimreaperz]

Could be detritus as well....try vacuuming it up? Turn off all equipment so there is no flow and siphon it out.

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[Nietoaq]

Pretty sure its not detritus have a filter sock before and protein skimmer is barely getting anything out

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[Nietoaq]

Did have a bi color wrasse die yesterday have no idea he went in about 2hrs after having eaten only have my 2 clowns and mandarin left think it migth be velvet but dont see any sure signs of it from what ive read

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