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increasing pearling

Discussion in 'Advanced Strategies and Fertilization' started by brad, Sep 20, 2005.

  1. brad

    brad Prolific Poster

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    I don`t get much pearling in my tank. Only a few bubbles under the leaves of my java ferns. Nothing on the other plants. I`ve got bacopa, e.tennelus, hygro. polysperma, java ferns, various crypts.......

    Here`s what I dose in a 35 gallon with 50 watts of light in a week:
    15ml Flourish
    3 pinches (rice grain size) kh2po4
    20-25ppm kno3
    occasionally a little potassium. Maybe 5ppm a week or so. sometimes more, sometimes none.
    gh:12
    kh:12
    co2: gave up on testing ph. Turned it up until fish gasped by the end of the day, then turned it down a hair.

    Right now I think my lack of pearling has nothing to do with my ferts and more to do with my low light levels. Am I right?
     
  2. alexperez

    alexperez Prolific Poster

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    Re: increasing pearling

    I agree whith your assesment of the situation. But If your plants are growing good, regardless of how much they pearl. I wouldn't add more light to it.
     
  3. PeterGwee

    PeterGwee Lifetime Charter Member
    Lifetime Member

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    Re: increasing pearling

    Add some surface motion if you don't have any. This will allow you to add more but do it slowly and over a couple of days between each rate increase. Give the plants some time to get their growth rate up to speed. Don't get impatient and add too much.

    Regards
    Peter Gwee
     
  4. Tom Barr

    Tom Barr Founder
    Staff Member Administrator Social Group Admin

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    Re: increasing pearling

    I'd have to agree with you about the light.

    If you add more light, the CO2 demand will increase but you'll also have higher O2 levels.

    Good CO2/nutrients at low light are a good way to have success.
    Just because you do not have intense pearling does not imply you should use more light.

    If the lack of pearling is CO2/nutrient related, then you would want to change things.

    Regards,
    Tom Barr
     
  5. brad

    brad Prolific Poster

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    Re: increasing pearling

    Overall, I`m pretty happy with the plants. Not a big fan o2 bubbles all over everything anyway. I also don`t want my tank to look like I put the sun in my wall. As long as the lack of pearling is lighting and not a nutrient issue, I`ll leave it the way it is. I don`t expect explosive growth from crypts and java ferns anyway (which is why I put them in there in the first place) I just want to be sure my plants are happy.

    Thanks for the feedback.
     
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