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Thread: Nitrate

  1. #1
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    Nitrate

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    Is it ok for the nitrate level to be zero for a planted tank? I measured my 4ft tank planted tank the other day and nirite, ammonia and nitrate all zero. I have about 26 small - medium fishes in the tank.

  2. #2
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    My advice to you is to slowly bring it up to 5ppm. No NO3 isn't good if you have plenty of others. Algae will soon make your tank their home.
    Cheerio,
    Sleepy_lancs
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    An afternoon trimming my watery garden is better
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  3. #3
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    I measured mine yesterday and it show 20mg/l. Is it possible to have that high Nitrate? How to convert to PPM?

    BTW, I have not added any fertilizer yet. I'm using 4 packs JBL base fertilizer, with 1 pack Lonestar gravel (25kg) and 5 packs ADA soil.
    Corydoras: 2 x adolfoi, 1 x agassizii, 5 x albino aeneus, 3 x arcuatus, 4 x atropersonatus, 3 x axelrodi, 6 x axelrodi variante B, 4 x caudimaculatus, 5 x duplicareus, 8 x goldlines, 3 x kanei, 3 x loretoensis, 6 x melini, 4 x panda, 6 x schwartzi, 3 x similis, 4 x sterbai, 4 x surinamensis, 5 x trilineatus, 4 x tukano & 3 x zygatus

    RIP 1 x adolfoi, 1 x albino aeneus & 2 x panda

  4. #4
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    Ho ho ho... thats way too high.. Try lowering it to 10 mg/l. Check the other water perimeters.
    Cheerio,
    Sleepy_lancs
    *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
    An afternoon trimming my watery garden is better
    then an afternoon with a therapist
    *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*

  5. #5
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    The plants are growing well, not sure if the Sera test kit is accurate or not. Will try to measure the tapwater and see the result.
    Corydoras: 2 x adolfoi, 1 x agassizii, 5 x albino aeneus, 3 x arcuatus, 4 x atropersonatus, 3 x axelrodi, 6 x axelrodi variante B, 4 x caudimaculatus, 5 x duplicareus, 8 x goldlines, 3 x kanei, 3 x loretoensis, 6 x melini, 4 x panda, 6 x schwartzi, 3 x similis, 4 x sterbai, 4 x surinamensis, 5 x trilineatus, 4 x tukano & 3 x zygatus

    RIP 1 x adolfoi, 1 x albino aeneus & 2 x panda

  6. #6
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    20ppm is fine. Try to keep it below that. 5 to 10ppm is better. I've gone above 40ppm without dire results.

    What I've read suggest that most fish can take up to 200 ppm. But I would imagine that akin to living in a room full cigarette smoke. Personally I'd rather not let it rise above 40ppm.
    Vincent - AQ is for everyone, but not for 'u' and 'mi'.
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  7. #7
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    ----------------
    On 12/8/2003 11:09:08 PM

    20ppm is fine. Try to keep it below that. 5 to 10ppm is better. I've gone above 40ppm without dire results.

    What I've read suggest that most fish can take up to 200 ppm. But I would imagine that akin to living in a room full cigarette smoke. Personally I'd rather not let it rise above 40ppm.
    ----------------

    Mine is 20mg/l, is it same as 20ppm?
    Corydoras: 2 x adolfoi, 1 x agassizii, 5 x albino aeneus, 3 x arcuatus, 4 x atropersonatus, 3 x axelrodi, 6 x axelrodi variante B, 4 x caudimaculatus, 5 x duplicareus, 8 x goldlines, 3 x kanei, 3 x loretoensis, 6 x melini, 4 x panda, 6 x schwartzi, 3 x similis, 4 x sterbai, 4 x surinamensis, 5 x trilineatus, 4 x tukano & 3 x zygatus

    RIP 1 x adolfoi, 1 x albino aeneus & 2 x panda

  8. #8
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    1ppm = 1mg/l
    Vincent - AQ is for everyone, but not for 'u' and 'mi'.
    Why use punctuation? See what a difference it makes:
    A woman, without her man, is nothing.
    A woman: without her, man is nothing.

  9. #9
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    If I not wrong, BGA will attack if NO3 remain Zero-low... right? I read BGA is able to get nitrogen from the air and thrive in a Low O2 & Low water movement environment...

    So beware, up NO3 else Plant stop food making process and BGA takes over.
    Baby Steel!

  10. #10
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    BGA's, at least the genus that is in our tanks, does not possess heterocyst, only species that possess these structures can fix N2 from the air above. Thus the BGA has no advantge there over any higher plant.

    They are very small, and it takes less N to maintain growth/maintainence, it's like feeding 20 mice versus 1 Elephant.
    As things get "lean" the mice have a much better chance at thing.

    Maintaining a NO3 should not be that hard since your tap water does not have much/any NO3. One water change, good plant health, relax of stuffing the Discus so much, switch to frozen or other foods.

    Once you get on a routine, the levels will drop on average.
    Add enough KNO3 so as to not run out and do enough water changes so that it does not build up.

    Regards,
    Tom Barr

  11. #11
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    Thanks guys. But 1 important question : So how do I increase my KNO3? Do I have to buy stuff off the shelf or can I add it via the 'natural' way?

    It is true the algae is growing quite a bit lately. All kinds man.

  12. #12
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    You can't increase your KNO3... you can however increase NO3 by adding KNO3 into your tank water.

    To increase NO3 via the natural way is risky. Mainly, it's hard to measure. Just don't overstock your fishes and don't overfeed them. Make up for the shortfall in NO3, if any with KNO3.
    Vincent - AQ is for everyone, but not for 'u' and 'mi'.
    Why use punctuation? See what a difference it makes:
    A woman, without her man, is nothing.
    A woman: without her, man is nothing.

  13. #13
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    Do we get K from KNO3? Does K have anything to do with algae as well?

    Regards

  14. #14
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    Hi,

    KNO3 Potassium Nitrate:
    K - Potassium 38.7%
    NO3 - Nitrate 61.3%

    That's what I got off the net. The issue with algae is mainly imbalance, almost everything is interdependent of each other.

  15. #15
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    Don't seem to have problem with 0 NO3 although not a good idea. K doesn't cause algae as far as I know. Just too much will block Ca uptake.
    Cheerio,
    Sleepy_lancs
    *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
    An afternoon trimming my watery garden is better
    then an afternoon with a therapist
    *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*

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