Nitrites not so Leka

Discussion in 'Water Parameters and Additives' started by seank, 16 May 2011.

  1. seank

    seank

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    Something I do not lekker understand.

    Yes, I did test during midday, yes the lights is on a reverse cycle, no, there are no dead or missing fish, and yes, the critters are still roaming around the sandbeds. :biggrin:


    And yes, the test kits are not bad, nor is it outdated etc. Also borrowed someone elses test kit and it shows more or less the same. :biggrin:

    :lol:

    Test water Parm today.
    Nitrates=4
    Nitrites= 2.5
    Ammonia= 0
    Ph=8.6
    Alk= 10

    I HAVE A LOT OF ALGAE DIE-OFF... surely this does not effect nitrites

    How can I have nitrites when all else is fine???
    Is it not supposed to be zero,as nitrites normally goes hand in hand with your ammonia levels?????????

    All else in the tank is fine, even the "pissy" corals (sps) does extremely well
     
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  3. FransSny

    FransSny

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    Like how you answered all the obvious questions :lol:

    Weird situation though , I am not sure but I THINK algea die off will fuel nitrates due to microbial biodegration....
     
  4. Tony

    Tony

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    Algae dying will release nutrients back into the system but a bit of bacteria and vodka will get rid of those nitrates in a few days
     
  5. Johan van Aardt

    Johan van Aardt I love marines [R.I.P.]

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    The reason this type of stuff happens to you is because you do not do regular enough pictorial updates.
     
  6. brentv

    brentv

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    :lol::lol::lol::lol::lol::lol::lol:
     
  7. seank

    seank Thread Starter

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    Yeah, agreed, Nitrates, but not NITRITES :(

    Tony, understood, but then why are the nitrates fine still, yet the nitrites are not :(

    When the first snow starts falling in Richards Bay, showing that it is winter, I'll start posting pics

    What you laughing at :biggrin: :tt2:
     
  8. FransSny

    FransSny

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    Mmmmm , looking at the situation again it seems your system is "stuck" at a point in the nitrogen cycle.

    NH3 >>> NO2 (Nitrites)>>>>>NO3 (Nitrates)

    Could be a bacterial imbalance as it seems it is not converting to final stages ???
     
  9. dallasg

    dallasg Moderator MASA Contributor

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    what i was thinking, maybe a mono-culture of bacteria, seeding from another tank, or adding some nitrifying bacteria might help...

    then again, we need to source the problem to prevent it
     
  10. FransSny

    FransSny

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    I think getting a mono culture will be tricky..the only suggestion I have is to add a product with a range of nitrifying bacteria...not just Nitrobacter sp.

    Finding the source is a different issue, it might also just be that one strain has become dominant due to conditions, ie algea die off etc etc.
     
  11. Tobes

    Tobes Retired Moderator

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    Maybe something caused a small ammonia spike and you missed it - it could be all this deep sea fishing and all :whistling:
    Now it is just the next stage. Monitor and see if its getting less and nitrates maybe picking up a little.
     
  12. Tony

    Tony

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    Dont stress about nitrites, it's harmless. Worry about ammonia
     
  13. 459b

    459b Moderator MASA Contributor

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    Is your wife slacking on your tank mantainence again?
     
  14. Tobes

    Tobes Retired Moderator

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    I dissagree as on my Elos test kits they say it is toxic, also here is a quote from this link - http://www.google.co.za/url?sa=t&so...sg=AFQjCNH_3zFrvOiMTG9UbXSD9xwLrNppPw&cad=rja


    "Nitrite levels should be at an undetectable level at all times after the aquarium fully cycled which may take several months to complete. Nitrites are not as dangerous as ammonia, but still a highly toxic chemical, Nitrite causes fish stress at levels as low as 0.5 ppm. Levels exceeding 10-20 ppm are lethal over a period of time to fish. Immediate action is required if high nitrite levels persist after 7-10 days.
    Nitrite interferes with the oxygen metabolism, it destroys the hemoglobin (oxygen carrying cells) of the fish, and aquatic livestock.
    Detecting nitrites often means that the biological filter is not working properly, or the tank is overpopulated and the filter can not handle the load efficiently."
     
  15. seank

    seank Thread Starter

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    Thank you Frans, Dallas & The rest of the clan for your input.

    Tony, so need not worry about nitrites, it will not stuff up my corals or some critters??

    @459b :lol: :lol: :thumbup:
    Wife sitting behind me, she had a good laugh, also mumbled something about "f....off" :lol:
     
  16. seank

    seank Thread Starter

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    Thank you Tobes. Busy reading up on the link now
     
  17. Tony

    Tony

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    The book on fish diseases by Bob Goemans and Lance Ichinotsuba say "that fish take in nitrite through chloride cells located in the gills, and since there is an abundance of chloride ions present in saltwater, and because chloride cells have a preference for chloride, the uptake in fish is blocked."

    Other reasons for a nitrite spike are the following:

    An immature biological filter or inadequately sized biological filter.
    Over feeding
    In systems that use denitrifiers with a too slow flow rate. Sometimes they can revert nitrate back to nitrite
    Dead animals
     
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  18. seank

    seank Thread Starter

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    Thanks Tony, nice answer
     
  19. Nemos Janitor

    Nemos Janitor

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    Tony 100% on the filter filter holding/ converting nitrate back to nitrite.

    This sernario also happens on low DO levels. O2 is required for nitrifying bacteria to convert nitrite into nitrate.

    The depletion in DO is likely from the die off of the algae.

    By adding supplements to increase the balance of Mg for Kh buferimg also has an effect on O2 and ammonia.

    IMO simply increase the surface aggregation and reduce Kh buffering.
     
  20. seank

    seank Thread Starter

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    In Laymans terms?????
     
  21. magman

    magman

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    is it not cause of lack of flow at the bottom of the jojo drum,
    or the lr that is sitting on the sand in the jojo, where the lr under the surface of the sand is dying off from suffocation with the lack of oxygen, and giving sulpher (turning black)

    I doubt it is the gha dying off, as the volume of the water is to big imo for the gha to affect,

    I think maybe stagnent water/flow in the jojo
     
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