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Old 05-25-2013, 09:22 PM   #1
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What is this?

I have had this stuff growing on my rocks for about 3 or 4 weeks now, what is it?
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Old 05-25-2013, 10:25 PM   #2
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It's Cyanobacteria, usually caused by excess nutrients in the water.
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Old 05-25-2013, 10:26 PM   #3
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It's Cyanobacteria, usually caused by excess nutrients in the water.
Like what? Over feeding?
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Old 05-25-2013, 10:27 PM   #4
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Yup or too much light can contribute also. How much/often do you feed and how long are your lights on for?
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Old 05-25-2013, 10:29 PM   #5
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Yup or too much light can contribute also. How much/often do you feed and how long are your lights on for?
I feed once a day and my lights are on 8 hours
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Old 05-25-2013, 10:34 PM   #6
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Like what? Over feeding?
From stuff like bad water quality a lot of phosphates and using tap water. It is really bad and u should eliminate it from ur tank right away.

Take the pice if rock out ur tank and scrub the bacteria off in a bucket of ro/di water water or aquarium water set aside or ur tank will end up looking like mines filled with nasty green algae.

My problem was that I didn't use ro/di water and my tank went through a little cycle when I added new live rock
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Old 05-25-2013, 10:36 PM   #7
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From stuff like bad water quality a lot of phosphates and using tap water. It is really bad and u should eliminate it from ur tank right away.

Take the pice if rock out ur tank and scrub the bacteria off in a bucket of ro/di water water or aquarium water set aside or ur tank will end up looking like mines filled with nasty green algae.

My problem was that I didn't use ro/di water and my tank went through a little cycle when I added new live rock
I use rodi and have checked the quality if the rodi and it's fine
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Old 05-25-2013, 10:44 PM   #8
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Have u checked phosphates or added anything new to ur tank like live rock or corals
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Old 05-25-2013, 10:48 PM   #9
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Have u checked phosphates or added anything new to ur tank like live rock or corals
Checked my phosphates today and they were perfect but now that your mentioning it I started the tank with all dry rock but I did you a few pounds of live rock in the sump about the same time this started?
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Old 05-25-2013, 10:53 PM   #10
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U would probably want too know how to get rid of it too other than scrubbing you can dose vodka
Buy a special type of hermit crab called zebra hermit crab or dwarf hermit crab I can't remember and things like cutting back on light can help killing it because it photosynthesis also the use of certain products online or at the lfs but finding the main source is the the best solution
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