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Old 12-14-2013, 09:52 PM   #1
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Air bubbles underwater??

Here is a brown slime and air bubbles trapped under it on some of my live rock.

Is this cyano? What is the best way to combat it. I do a 20% pwc a week is this not enough. All my parameters are good. I feed once every other day. I have no CUC is it time to invest in one?



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Old 12-15-2013, 12:14 AM   #2
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Tough to tell for sure with just the blues on. Water changes, siphoning it out, feed less and run GFO would help.
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Old 12-15-2013, 09:15 AM   #3
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I'll take a better pic today.

What is GFO
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Old 12-15-2013, 10:53 AM   #4
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We have a good article about it in our sw articles section.
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Old 12-15-2013, 07:12 PM   #5
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I'll take a better pic today. What is GFO
Granulated ferric oxide
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Old 12-15-2013, 10:07 PM   #6
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Do i need some type of reactor for that or is it a liquid type additive? I don't really want to rely on additives. I'm going to up my pwcs and shorten my light cycle and use chemicals as a last ditch effort.
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Old 12-15-2013, 10:45 PM   #7
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Is it stringy snotty looking? Could be dinofallegates. It's a bacteria like Cyanobacteria that feeds off of light and nutrients In the water.
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Old 12-16-2013, 08:57 AM   #8
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Yes it's stringy in the sand and snoty on the rocks like a sinus infection.
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Old 12-16-2013, 03:57 PM   #9
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Yes it's stringy in the sand and snoty on the rocks like a sinus infection.
what are your water parameters ?
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Old 12-16-2013, 06:44 PM   #10
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Everything I can test for is perfect. I ordered a reef testing kit l, the one that has mag, phosphates, calcium. But it won't be here till Christmas.
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