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Old 03-26-2003, 12:38 AM
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Trevor Robertson Trevor Robertson is offline
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Default Brown layer on top of my water

I am in week two of my cycle, I have a 135 galon tank and 100lbs of live rock in it to help the cycle move along. I have noticed that a brown layer of dirt? has formed on the top of the tank, I have not seen this before and if I wipe it off it comes back in a matter of minutes (well half our but still quickly!). I have talked about this at my local LFS and they said that it is normal but could not tell me why or what is causing this, could you help.

Thanks
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