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Old 10-09-2006, 02:51 AM   #1
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air bubbles on rock (is it cyano?)

i am just nearing the end of the cycling process (i think/hope) and my live rock I have been noticing a ton of silver air bubbles on the rock.. i remember on my old aquarium the risk of cyano during cycling..

how do I tell if it is due to cyano or if these are just air bubbles from lack of circulation down deep?
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Old 10-09-2006, 06:49 AM   #2
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http://www.aquariumadvice.com/photop...00&ppuser=1656

Does it look like that?
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Old 10-09-2006, 06:58 AM   #3
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not at all, it just looks like little air bubbles stuck to the rock (they are clear in color and if i brush my hand over them they go away pretty easily), i assume they are just air bubbles, but I just wanted to make sure!

if they are just air bubbles, is there a specific technique using an additional powerhead to make it all work without having bubbles stuck on the rock?
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Old 10-09-2006, 11:15 AM   #4
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Usually you`ll see the cyano and then a bunch of air bubbles. An additional PH pointed there will make sure that cyano does not take residence there.
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Old 10-09-2006, 11:35 AM   #5
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How long are you lights on? Degassing is a sign of photosynthesis. Shorten your photoperiod while the nutrient levels are being worked on.
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Old 10-09-2006, 11:58 AM   #6
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Diatoms yet? I noticed that after my diatoms came in I had a bunch of tiny bubbles like you mentioned on the surface of it. Assumed it was something to do with the nutrient cycle of the stuff. All gone now, thanks to the cleanup crew.
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Old 10-09-2006, 02:43 PM   #7
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lights are on for about 8-12 hours a day usually.

not sure what a diatom is so I can't tell you if I have them or not.. i take it they are bad?
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Old 10-09-2006, 02:44 PM   #8
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Diatoms come near the end of your cycle. They generally die off rather quickly.
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Old 10-09-2006, 03:36 PM   #9
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what are they exactiy/how do i tell if I have them? does anyone have a good picture?
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Old 10-09-2006, 03:41 PM   #10
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As the tank matures, algae will start to grow (usually around week 2 or 3). Typically brown algae, otherwise known as diatoms, will be the first algae that shows up in the tank. Brown algae will usually cover everything in the tank and need to be cleaned every week or so. With time green algae should overtake the diatoms and the brown algae will disappear all together. If it doesn't, there might not be enough light for the green algae to out-compete the diatoms.
got this from;
http://faq.thekrib.com/sbegin-longterm.html
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