bubbles in DT

Discussion in 'General Discussions and Advice' started by shane, 10 Nov 2009.

  1. shane

    shane

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    Hi All,
    Last week Friday, I did a large NSW change in my tank. Since adding the NSW I have seen tiny micro bubbles attached on some of my live rock . i have also seen these micro bubbles rising up from the substrate as well as the live rock.
    Please can someone explain why these bubbles are here now and does this indicate some thing bad?
    Cheers
     
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  3. JD167

    JD167

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    Did you add the water directly to the DT or via the sump? Did you use a pump or just chuck it in?
     
  4. viper357

    viper357 Admin MASA Contributor

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    I get that now and again, but they seem to disappear after a couple of days, I think someone said they were harmless nitrogen bubbles.
     
  5. Tobes

    Tobes Retired Moderator

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    I think you're right Dean - I would also say that it's nitrogen bubbles that was the end result of the anearobic activity.
    So Shane buddy, if so, then it's something good as your biological filtration is working ;)
     
  6. shane

    shane Thread Starter

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    Hi all,
    I was checking out the tank today, and I have noticed that when the lights came on there were no micro bubbles on the rocks. I had a look about 5 hours later and some rocks had these bubbles stuck on them.If it is from biological filtration then my question is why are they only on some rocks and not all, does this mean that only the rocks that are showing these bubbles are live?
    How do I increase the biological filtration?
    Cheers
     
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