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Results 1 to 10 of 19

Thread: Fishless Cycle

  1. Default Fishless Cycle

    0 Not allowed!
    Fish here trying to figure out approximately how long fishless cycle will take. Only third full day and ammonia levels are very high. 75 gallon FW tank. Added 3 1/2 teaspoons of ammonia this morning. Anticipate nitrite to start today. Any suggestions, or is this just a time thing?

  2. #2


    0 Not allowed!
    It will take its time to develop. Warmer water will help speed the process up as would media from another tank. Otherwise 4-6 weeks is about the time it will take.

  3. Default fishless cycle

    0 Not allowed!
    Thanks for your imput. Tank is 82 presently. Should I increase temp or let it alone. Read on internet process can be done in 7 days. Is this feasible or balony?

  4. #4


    0 Not allowed!
    82 is fine. A week would only be possible with seed material. Normally 1-2 weeks for ammonnia and 1-2 weeks for nitrites with a bit of an overlap. The time will vary with the amount of ammonia etc.

  5. Default

    0 Not allowed!
    Tank is presently at 82. Leave alone or move temp upward. Found a article on internet that cycle can be complete in 7 days. Possible?

  6. Default

    0 Not allowed!
    I did add 3 bottles of one and only Nitrifying Bacteria. Was that a mistake. instantly creates a bio-filter but removes toxic ammonia and nitrite, to prevent new tank syndrome. Did that prior to reading about fishless cycling.

  7. #7

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    0 Not allowed!
    This easy to follow.
    I would stick to the ammonia and leave the bottled bacteria out for now.Its great to use if you get a mini cycle once the fish are in the tank.
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  8. #8


    0 Not allowed!
    Some of those things do work, the ones that dont will not hurt anything. At this point just add ammonia as needed and test.

  9. Default

    0 Not allowed!
    Thanks alot for your advice. Just tried updating my profile. Not sure if all the info took. If I get a chance I'll upload some videos. PS. Not sure how to do that on here either. Or add pictures. Thanks.

  10. #10


    0 Not allowed!
    I cycled, more than once, in just over two weeks. I think you should see nitrites within the first week but you said your ammonia was VERY high. How high is that? 4-5 on your tester is a good start point.

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