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Thread: Added filter seed culture, water is gathering bubbles-biofilm?

  1. #1
    Join Date
    Nov 2013
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    Added filter seed culture, water is gathering bubbles-biofilm?

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    Sorry about the horribly phrased title but I really don't know how to put together all of that and keep it short!

    So I added a seed culture from my dad's established 4 footer into my 2 footer yesteday and day before to speed up cycling on a 1.5 week old tank. Today I noticed that tiny bubbles(1mm across, even larger ones 3mm across) seems to have managed to persist/not burst at the water surface! Is this dude to a biofilm developing-good or bad?

    I must mention my dad's filter was yucky! It hadn't been cleaned in EONS! It had sludge on the sponge! Probably layers of bacteria I hope! It was green in color. But his fish seem to be doing okay.

    What do I do folks?

  2. #2
    Join Date
    Sep 2011
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    Re: Added filter seed culture, water is gathering bubbles-biofilm?

    Probably means that you have high ammonia levels in your water. Your "seed culture" maybe just a lump of decomposing organic matter since you mention that the source filter has not been cleaned for a long time and there is "sludge".

  3. #3
    Join Date
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    Re: Added filter seed culture, water is gathering bubbles-biofilm?

    What do you have in your tank right now?

    biofilm looks like an oil film. glimmers and shines like oil on water.
    I am balding but i am still young!

  4. #4
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    Re: Added filter seed culture, water is gathering bubbles-biofilm?

    Its been three weeks since setup, tank seems fine now, it has two black mollies. Sorry for the late reply! The new semester began, its been madness!
    Is a biofilm bad?

    Sent from my B1-A71 using Tapatalk

  5. #5
    Join Date
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    Re: Added filter seed culture, water is gathering bubbles-biofilm?

    Biofilm is not harmful for the fauna, but bad for aesthetics.
    I am balding but i am still young!

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