Hair Algae

[Rivus]

This just starting growing in my 45g RedSea tank. Hair algae? Bryopsis? So far it's just on this frag. Should deal with it before it spreads. Thoughts? Thanks, Steve

 

[SteveEreef]

Yes looks like GHA. Have you nitrates or phosphate numbers changed recently? I would it pull it off by hand or brush if you can.

 

[Rivus]

Thanks, Nitrates 0, need to get phosphate test. Maybe an emerald crab or two would help.