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Thread: Massive die out for plants!!!

  1. #1
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    Massive die out for plants!!!

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    Hi all,

    Recently after coming back from holiday my tank was overgrown with algae. So as a standard procedure I cut co2. However the plants are now facing a massive die out, especially the long leaf ones (see in picture). Is this normal for plants to be so dependent on Co2? Currently I am dosing Excel to kind of supplement the plant growth but is there anything else I should do? Thanks!

    Tanks spec
    20l with 2 HOB
    Lighting 2 LED brand idk
    Co2 1bps
    ADA Amazonian

    Cheers,

    Happydanio



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  2. #2
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    Re: Massive die out for plants!!!

    Water change will always help. It is not a good idea to cut CO2. CO2 is carbon and is very important for plant growth.

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    Re: Massive die out for plants!!!

    What did you stopped adding to the tank during your holiday? Lighting and co2 were on the timer when you were away?

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    Re: Massive die out for plants!!!

    my guess is the absence of CO2... when my CO2 run out , I'll experience yellowing in my gujing when CO2 is up again it grows nicely again..

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    Re: Massive die out for plants!!!

    Yeah, your plants were just adapted to grow with Co2 injection... when you cut it suddenly, they go through a transition to non-Co2 injected environment, so the old leaves start to deteriorate.

    Usually in such cases, the new leaves that grow out in the non-Co2 environment will be healthy as they have adapted to it.

    Ideally its best to maintain stable Co2 injected conditions for your plants if they have been growing well in it. If you want to stop Co2 injection, it should best be done gradually (along with the corresponding reduction in light and nutrients too, since their take up rate will also be reduced), so that the plants can transition more easily.

    Btw, those background plants look like vallisneria? Those types of plants tend to be quite sensitive to Excel, resulting in melting. Could be a possibility the chemicals might be contributing to their worsening condition too.
    :: Urban Aquaria ::
    www.urbanaquaria.com

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    Re: Massive die out for plants!!!

    Stable CO2 supply is especially important.

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    Re: Massive die out for plants!!!

    Quote Originally Posted by Urban Aquaria View Post
    Yeah, your plants were just adapted to grow with Co2 injection... when you cut it suddenly, they go through a transition to non-Co2 injected environment, so the old leaves start to deteriorate.

    Usually in such cases, the new leaves that grow out in the non-Co2 environment will be healthy as they have adapted to it.

    Ideally its best to maintain stable Co2 injected conditions for your plants if they have been growing well in it. If you want to stop Co2 injection, it should best be done gradually (along with the corresponding reduction in light and nutrients too, since their take up rate will also be reduced), so that the plants can transition more easily.

    Btw, those background plants look like vallisneria? Those types of plants tend to be quite sensitive to Excel, resulting in melting. Could be a possibility the chemicals might be contributing to their worsening condition too.
    Thanks for all the advice!
    @UrbanAquaria I added Excel way after the symptoms started showing.
    Noted will keep a good eye on Co2.
    Anyway it has helped me see the actual hard scape now that the plants are gone.....


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  8. #8
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    Re: Massive die out for plants!!!

    Strange... But the front plant refer to the picture is in full bloom though.... Was it affected by Co2?

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    Re: Massive die out for plants!!!

    you mean the gujing plant in the middle ?
    from the picture , it looks like the tip of the leaves are starting to turn yellow

    Quote Originally Posted by happydanio123 View Post
    Strange... But the front plant refer to the picture is in full bloom though.... Was it affected by Co2?

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    Re: Massive die out for plants!!!

    I'm using a GEX HOB in my 20L and the flow is terrible. perhaps consider a better external filter or powerhead to improve flow?

  11. #11
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    Re: Massive die out for plants!!!

    Thanks everyone for your constructive feedback! Planted back and everything goes back to normal. Guess it was the co2

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