What is this??

Discussion in 'General Reef Topics' started by jcasmartino, Oct 5, 2014.

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  1. jcasmartino

    jcasmartino Astrea Snail

    Joined:
    Dec 28, 2013
    Messages:
    45
    Hi guys:

    Can someone tell me what is that red thing on the filter. I also noticed that the rock on the second picture has gotten red overtime too.
    Please help

    [​IMG]

    [​IMG]
     
  2. Click Here!

  3. Billme

    Billme Eyelash Blennie

    Joined:
    Sep 9, 2013
    Messages:
    1,287
    Location:
    Bakersfield, Ca
    Looks like cyanobacteria.
     
  4. oldfishkeeper

    oldfishkeeper Giant Squid

    Joined:
    Aug 13, 2012
    Messages:
    7,660
    Location:
    Cincinnati
    yes, that's what it looks like to me too - I'm confused by the "red thing" in the question though
     
  5. civiccars2003

    civiccars2003 Great Blue Whale

    Joined:
    Mar 18, 2010
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    Location:
    Akron Ohio
  6. Grog

    Grog Astrea Snail

    Joined:
    Feb 16, 2011
    Messages:
    57
    A sunken ship and cyano.
     
  7. Newreef15

    Newreef15 Horrid Stonefish

    Joined:
    Jul 21, 2009
    Messages:
    2,052
    Location:
    Tallahassee Florida
    cyano

    You need to lower your nutrient levels
    -water changes
    -gfo
    -feed less