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Old 09/11/2010, 06:28 PM   #1
vitodog
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Air Bubbles on Sand Bed

I've noticed in the last week or so, air bubbles on the top of my sand bed as well as on my live rock. Is this something I should be concerned about?


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Old 09/11/2010, 07:00 PM   #2
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The air bubbles are most likely the result of micro-organisms like algae growing on your rock. As these organisms photosynthesize to acquire nutrients they release oxygen which is what you see. If it is a pest algae then scrubbing your rock would be best to keep it from growing and becoming a nuisance to allow coralline algae to grow instead. You will want to keep your nitrate and phosphate readings at zero. Cleaning your sandbed weekly will reduce nutrients trapped in it & prevent it from becoming a nitrate & phosphate factory.


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Old 09/11/2010, 07:29 PM   #3
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Thanks for the quick response HighlandReefer. I tested for phosphates utilizing the Hanna Instruments "Checker" about 3 days ago and got a reading of 0.00. I also tested for nitrates utilizing a API test kit and also got a reading of 0. I think you might be on to something regarding the sand bed though. I don't usually clean my sand bed while doing water changes and I do weekly W/C's on my 90 gal. (7 gal.). I was, for some reason, under the impression that you should not disturb the sand bed. I have a sinking feeling that I may have been wrong about that. However, I will be conducting a W/C on Monday and will attempt to clean the sand bed. Thank you.


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Old 09/11/2010, 07:46 PM   #4
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As long as it is not a deep sand bed, say 4" or more, cleaning the debris out is best. A deep sandbed, I would only clean the top layer of it to keep the nutrients out.


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Old 09/11/2010, 11:22 PM   #5
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I wouldn't clean the sand bed on a regular basis if you want it to perform filtration, or keep sandbed animals alive. Other than that, cleaning is fine.


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Old 09/12/2010, 07:12 AM   #6
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Thanks Guys, will do.


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Old 09/12/2010, 05:25 PM   #7
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You're welcome! Good luck!


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