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Results 1 to 4 of 4
  1. #1

    Join Date
    Oct 2012
    Location
    Ontario Canada
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    Smile skipping the nitrites stage


    0 Not allowed!
    Is it possible for a tank to skip the nitrites stage all together? My tank is .25 ammonia 0 nitrites and 5.0 nitrates. I test almost every day and I have never seen any nitrites on my API tests. Is this possible?

    I did seed my tank with filter media from an established aquarium. I also used Seachem stability. Tank has been running for a month and a half

    Thanks to all that help
    VRB

  2. #2

    Join Date
    Dec 2011
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    Bridgeport Connecticut
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    0 Not allowed!
    This happened with one of my tanks. Nitrites never appeared on the test kit. I have no idea how that happened, I must have completely missed them when they showed up, though I tested every other day.
    2 10 gallon tanks, 1 20 gallon tank, 1 Fluval Edge, 1 29 gallon tank, and one backyard pond.

  3. #3

    Join Date
    Feb 2012
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    0 Not allowed!
    Yep, it can happen. the spike can be very fast and you could miss it. BUT, you're still showing .25 ammonia so your cycle isn't complete yet. the nitrites might still come. When I cycled my 30 with fish, nitrates showed up before nitrites. If you're doing a lot of water changes to keep your ammonia below .50, (and good for you if you are!) then it's just going to take a while to get it fully cycled. In my case it was almost 4 months :o(
    30 g FW planted:corys, female ABNP, blue angel, harleys, zebra danios, rummies,
    15 g FW planted:2 male guppies, neons, pygmy corys, clown pleco, 4 types of shrimp, assassin snails
    90 Gal Journal: http://bit.ly/1vC7gVX
    fishless cycling: http://bit.ly/1DARf3T
    fish in cycling: http://bit.ly/1ILvcfp

  4. #4

    Join Date
    Nov 2012
    Location
    UK, England
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    68

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    0 Not allowed!
    Quote Originally Posted by fishmommie
    Yep, it can happen. the spike can be very fast and you could miss it. BUT, you're still showing .25 ammonia so your cycle isn't complete yet. the nitrites might still come. When I cycled my 30 with fish, nitrates showed up before nitrites. If you're doing a lot of water changes to keep your ammonia below .50, (and good for you if you are!) then it's just going to take a while to get it fully cycled. In my case it was almost 4 months :o(
    I'm three weeks into my fishless cycle and I have Nitrate readings but no nitrite. The last few days i've been getting trace amounts of Nitrite (not even enough to say it's 0.25ppm) and by the morning it disappears. I'm still struggling with the ammonia dropping as it should, so my tank is not cycled, but yes. I think I have also skipped the nitrite stage.

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