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Thread: White moldy stuff

  1. #1
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    White moldy stuff

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    Hi Guys,

    I noticed there are white mold like stuff growing on my soil made for planted tank and its slowly spreading from one corner moving towards the center and creeping up the viewing panel of the tank too.

    Any idea what this is and how to tackle it?


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    Re: White moldy stuff

    i got this in one of my tanks as well...don't know what it is but very interested in finding out as well
    -=I work in the dark to serve the light=-

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    Re: White moldy stuff

    Anyone who knows what this is and successfully got rid of it? It's expanding its Territory by the days lol. I vacuum the soil yesterday, got some off but the suction pulled out some of my HC too, however, I saw it came back again this morning...

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    Re: White moldy stuff

    Did you cycle your tank?
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  5. #5
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    Re: White moldy stuff

    I rescape the tank (change soil, clean the tank and all the plants) about a month ago, but use back the old filter media. I reckon it's not fully cycle yet

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    Re: White moldy stuff

    Looks like some sort of fungus growth... i saw something similar in a friend's tank. He ended up dosing fungus treatment solution in the water column and it eventually disappeared.

    We suspected that it was a species of underwater fungus that somehow hitchhiked in on newly introduced plants or shrimps.
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    Re: White moldy stuff

    Spoke to a LFS owner, she suspected it could be the decom that's breeding micro worms. She suggested water change and less feed as whatever medication she's going to recommend will lately harm the shrimps or plants.

  8. #8
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    Re: White moldy stuff

    Just wanna check are you by any chance using hc from Tropica?

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    Re: White moldy stuff

    Yes, how did you know?

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    Re: White moldy stuff

    Quote Originally Posted by Ingen View Post
    Spoke to a LFS owner, she suspected it could be the decom that's breeding micro worms. She suggested water change and less feed as whatever medication she's going to recommend will lately harm the shrimps or plants.
    It does resemble micro worms... interesting. I assume you were feeding your fishes micro worms before you re-scaped the tank?
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    Re: White moldy stuff

    I didn't feed micro worm before... Only frozen daphnia and fish fry food to the indostomus. Just added 7 galaxy rasbora and reduced the feed significantly. Going to monitor or the next week, hopefully the white stuff will go away.

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    Re: White moldy stuff

    Quote Originally Posted by Ingen View Post
    Yes, how did you know?
    Did you wash off the gel properly before planting the HC? The gel if not wash off properly has been known to cause white fungus.

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    Re: White moldy stuff

    Quote Originally Posted by qool View Post
    Did you wash off the gel properly before planting the HC? The gel if not wash off properly has been known to cause white fungus.
    I guess that could be the cause... I did wash, perhaps not completely off. Any remedies for it?

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    Re: White moldy stuff

    A little update. The moldy stuff appears to be clearing from the soil, however, they start migrating onto the glass panel lol. Hopefully it will eventually migrate into "thin air"...

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    Re: White moldy stuff

    Mold will do migration?? Have a picture to share? Seems quite strange only heard diatom and green spot will grow on glass wall but mold too ...

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    Re: White moldy stuff

    Will take a picture of my messy tank, the white stuff growing all over, i'm reluctant to scrub it off until this weekend when doing water change.

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    Re: White moldy stuff

    Don't bother scrubbing it. It is basically eating up all the dead bacterial colonies that died when you did your rescaping. The mold will clear up once they run out of "food".
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    Re: White moldy stuff

    Quote Originally Posted by qool View Post
    Mold will do migration?? Have a picture to share? Seems quite strange only heard diatom and green spot will grow on glass wall but mold too ...

  19. #19
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    Re: White moldy stuff

    Quote Originally Posted by stormhawk View Post
    Don't bother scrubbing it. It is basically eating up all the dead bacterial colonies that died when you did your rescaping. The mold will clear up once they run out of "food".
    I should just let it be until the mold clears on its own? It's very unsightly right now...

  20. #20
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    Re: White moldy stuff

    The white stuff seems to be clearing from the substrate and glass panels. I reduced feed significantly and only drop the shrimp pellets onto rocks instead of the soil. That's the good news, however, I noticed there are thread algae growing on newly tied fissidens... I been removing it manually, but more seems to be growing out and longer each day.

    My lighting is 7 hours and Co2 is around 2-3bps, also dose seacheam Phosphorous, nitrogen and comprehensive. What else can I do other than removing it manually?

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