Brown spots on Rock?

cam78

Active Member
Tank is a reef and has been set up since July 4th. Mixed LR with base rock which was actually Reef Saver Eco Rox I think its called. Nice stuff, real light stuff. Anyway I am getting this brown spot looking stuff all over the rocks. Doesn't look like diatoms, I don't think. Then it seems where I have the most current with powerheads I am getting a brown film which is a little long almost like hair algae but isn't. Any idea?
 
I have a Bullet 2 skimmer from Precision Marine and isn't pulling much out of tank because I have thick filter socks which I think are trapping almost everything.
 

cam78

Active Member
Yeah, Its not Cyano. It almost looks like a rust spot. This stuff in my tank I mean.
 
i got dee same thing on mi rock dere are like little brown hairs nd the spot were deres more current it seems to b longer nd on mi glass dere are like brown spots spreading like crzy nd i dnt noe wah 2 do :[
 
J

jstdv8

Guest
think it might just be redish coraline algae? I have several of these in my tank.
 
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