Can anyone help me identify what kind of algea this is?

[Eric.jones1996]

My tank is about 4 months old and I started to see this algae about a month ago. Its brown in colour, and have a slimy and stringy look.

 

[sixty_reefer]

How’s your nutrients, no3 and po4 one of them may be too low

 

[bstodds15]

Just looks like brown hair algae to me.

 

[dvgyfresh]

White light pics ? It looks like cyano at first glance , does it blow easily off rocks ?

 

[bstodds15]

White light pics ? It looks like cyano at first glance , does it blow easily off rocks ?

I was thinking Cyano too, but OP said it was "Brown and stringy", so figured brown hair.

If under white lights it's more red in color, it's probably Cyano.

 

[bstodds15]

My tank is about 4 months old and I started to see this algae about a month ago. Its brown in colour, and have a slimy and stringy look.

A few questions
1. Did you use live rock or dry rock?
2. What kind of lights do you have, and can you adjust the white light on them?
2. What is your flow like? Aka do you have power heads?

Algae/Cyano like this grow mostly in areas where there is low flow. If you can get a powerhead pushing some more water over the rocks, it will help reduce the growth.

Also, if your lights are adjustable, dial down the white's. The only thing that benefits from white light is algae, so reducing it in turn reduces nuisance algae growth.