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Thread: Nitrate problems

  1. #1
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    Mel's Avatar
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    Nitrate problems

    Hey all, I am looking for some advice/suggestions about my nitrate levels. They are over 64 ppm and I can not get them down. Phosphates are only slightly above 0.16 ppm. ph, salinity and ammonia are fine. But this is also constant. It has been weeks of adding NO3-PO4-X daily and it is not dropping at all. I have a pair of white clown fish and green BTA, a splendid dotty back, and a Mandarin in the tank and all seem to be thriving, but I refuse to put anything else in until I get water chemistry under control. We also do 10-20% water changes every 7-10 days (70 gallon tank), and we are using RO water.
    So, I am just looking for other experiences with the problem and what may have worked.
    Thanks in advance!

  2. #2
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    smiles's Avatar
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    cut way back on food for a while. and do even larger water changes more often to get it down.
    i use a biopellet reactor for long term control

  3. #3
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    How many ml of NoPox are you adding daily?

  4. #4
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    Can you do a test on your tap water ? I had Nitrate problem and i could not figure out from where and i tested my tap water, bingo.... Tap water was the problem (Well)

  5. #5
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    Do a test on your RO water, maybe its exhausted, not doing its job properly, and needs to be changed.

  6. #6
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    Thank-you everyone for the suggestions! To answer a few questions:
    Diggler93 I am adding 9ml of NoPoX daily (for 2 or 3 weeks).
    Teejay, I never thought to test the RO water...I will do that tonight!
    Thanks again!

  7. #7
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    To get rid of nitrates it helps to determine where it's coming from. You have a light bioload so if you are feeding reasonably I would rule that out. With NoPox you should be skimming very wet, like tea.

    Your supposed to slowly ramp up the dosage until everything is where you want it, then cut the dose in half I believe for your daily dose. If you google NoPox spreadsheet you will find it.

  8. #8
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    Thanks for your advice. I will see what I can find!! And you are right, figuring out the cause is the problem...that is what I can't determine. Lol

  9. #9
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    Nuggs's Avatar
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    What test kit are you using? Certain its accurate?

    Is the level maintaining at 60+ or slowly rising?

    What to you feed? How much / often?

  10. #10
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    I like salifert for nitrate and Hanna for phosphate.

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