Anything eat red hair algae?

Does anyone know of anything that eats red hair algae. I have a few problem spots that i cant seem to get rid of.... It actually out grows my gsp whish i thought was impossible. thanks
 
I take my rock out and scrub it with a nylon brush.
Or i just chip that part of the rock away let it sit out and dry. and reuse it if i can.
 
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