Help ID abnormal growth on rocks .

[A Young Reefer]

I have been having this growing on my rock work for some time now .
it’s red in color , tried to brush it off and it won’t budge which caused me to think that it might be coralline algae .

 

[blaxsun]

If it's purple-ish, it could definitely be coralline (which you want). It could also be cyano (which you don't want), but perhaps someone with sharper eyes can weigh-in.

 

[shakacuz]

i don’t believe coralline algae forms in that manner. this is almost as if it is a root of some kind. coralline algae is more of an encrusting “patch” growing in a circular manner.

 

[A Young Reefer]

bump

 

[Nano sapiens]

Looks to be a form of small turf algae. Try pulling a tendril loose with a tweezer and examine under a magnifier.

 

[A Young Reefer]

Looks to be a form of small turf algae. Try pulling a tendril loose with a tweezer and examine under a magnifier.

Assuming it is red turf , what treatments can I use other than the peroxide dip since its not an option at all .

 

[Nano sapiens]

Assuming it is red turf , what treatments can I use other than the peroxide dip since its not an option at all .

You can try keeping feeding/nutrients in check, fish that eat algae, a good CUC (clean up crew of inverts).

 

[A Young Reefer]

Thank you