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Melting ludwigia

Discussion in 'Advanced Strategies and Fertilization' started by stcyrwm@adelphia.net, Dec 28, 2005.

  1. stcyrwm@adelphia.net

    stcyrwm@adelphia.net Prolific Poster

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    Any suggestions on how to deal with my Ludwigia repens "melting". Plant is growing at healthy rate along with the other plants in tank but then it seems to get "infected" and leaves just turn brown and dissolve. It tends to work its way from bottom up. Tank is non CO2 with Excel and ferts per Tom's recommendations in "Non CO2 Methods".

    Thanks, Bill
     
  2. Detritus Mulm

    Detritus Mulm Guru Class Expert

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    Re: Melting ludwigia

    Could be lack of light?

    I know mine tends to grow like a weed and the older (bottom) leaves are always the first to suffer. I suspect it's the top leaves shading the bottom leaves, but I'm not certain.

    If I don't top (replant the tops) mine every week it takes over the tank. I recently missed a week and I had stems over 2 feet long. :)
     
  3. stcyrwm@adelphia.net

    stcyrwm@adelphia.net Prolific Poster

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    Re: Melting ludwigia

    I don't think it's light as the rot continues right to the top......

    Bill
     
  4. Martin

    Martin Lifetime Charter Member
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    Re: Melting ludwigia

    could it be that your water is too hard?
    i had tonina melt because my water is too hard...
     
  5. stcyrwm@adelphia.net

    stcyrwm@adelphia.net Prolific Poster

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    Re: Melting ludwigia

    I'll do a test and see what it comes to. I did add a few slate type rocks in the fall - I wonder if they could be throwing things off? Still it's odd because ludwigia seems like such an easy plant.

    Thanks, Bill
     
  6. Tom Barr

    Tom Barr Founder
    Staff Member Administrator Social Group Admin

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    Re: Melting ludwigia

    If you use excel, it's likely not enough nutrients.
    Doa water change, add Excel back and add about 1/4 teaspoon per week per 80 liters of KNO3. Scale the other nutrients dosing to this rate.

    Watch near the end of the week, see if you need more KNO3/PO4 etc, you may want to add some traces right about mid week.

    This should clear the issue up.

    Water hardness cannot be it, I've pulled this plant off limestone cracks in springs.

    You can see the weed in the plast fest photo's in the limestone even.

    Regards,
    Tom Barr
     
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