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Results 11 to 15 of 15
  1. #11

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    Aug 2014
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    2 Not allowed!
    No such thing as a 3 day cycle. Your tank isn't cycled at 3 days. Your doing a fish-in cycle which can take a while to get set up. My fastest time to set up a cycled tank was 7 days and that was using 1/2 filter of established media from another tank and spending 24 hours to test that ammonia/nitrites were 100% broken down prior to adding any fish.

    For the OP
    IMO a fishless cycle is the best because 1. its much faster than with fish and doing daily testing and daily or every other day water changes which brings me to 2. less stress on the fish because they don't have to deal with fluctuating levels of ammonia and nitrite. that leads to 3. its less stressful for you as you won't have to test the water every day, worry that the water parameters are stressing/killing your fish and don't have to make daily/every other day WC to bring down the levels of ammonia/nitrite as your bacteria very slowly grow.

    With a fishless cycle you control how much beneficial bacteria you want in your tank by calculating the first dose of ammonia. Say your going for a very stocked tank and want it 90% fill from the start. You can do that by calculating 3-4 ppm of ammonia and after a few days test to see how much ammonia is still in your tank. Once the ammonia hits 0 then you test for nitrates (and dose another 1/2 amount of ammonia every few days as it is broken down by the BB). As the nitrites grow and then decline you wait for the nitrites to finally hit 0...eureka you have a cycle but just to bee 100% you do a final small dose of ammonia and if within 24 hours the ammonia and nitrites are you are indeed fully cycled. Now its time to do a large WC to remove all of those nitrates and then you are good to add your fish.

    Of course if you are lightly stocking a tank you can go with 2ppm of ammonia instead. the bacteria will ultimately grow and die off to accommodate the waste produced by your tank.
    75 Gourami/Eel tank
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  2. #12

    Join Date
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    1 Not allowed!
    Quote Originally Posted by The Cichlid Keeper View Post
    Its a quick cycling cycle. I hope that makes since. I usually set up the tank and let it run three days or so before adding fish. This method is acceptable for Cichlids and other easy maintenance fish such as guppies and other live bearers.
    Pretty soon here, I am about to set up the 36 gal. fry tank and if I can figure out how to post video on here I can show you how I cycle my tank before I put fish in it.
    This does not cycle a tank, and it's not acceptable for any fish.
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  3. #13

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    0 Not allowed!
    Well how long should you cycle it for... a week? a month? I think I remember it was a month. I KNOW it's not acceptable for brackish or Saltwater fish. It depends. I like to use a three day cycling method for African Cichlids, community fish, and very hardy beginner freshwater fish. I don't use it for ANY fish because some require precise water chemistry very accurate. Believe me I haven't really been able to keep anything more than Angelfish as far as S/A Cichlids go. I would if space would allow.

  4. #14

    Join Date
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    0 Not allowed!
    A cycled tank contains 0 ammonia, 0 nitrItes, and some nitrAtes (<20 ppm)

    All cycles are different, and will take varying amounts of time. Adding seeded, established media can speed the process, as mentioned above.
    10 Gallon Beginner Tank... Journal
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    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  5. #15

    Join Date
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    1 Not allowed!
    Quote Originally Posted by The Cichlid Keeper View Post
    Well how long should you cycle it for... a week? a month? I think I remember it was a month. I KNOW it's not acceptable for brackish or Saltwater fish. It depends. I like to use a three day cycling method for African Cichlids, community fish, and very hardy beginner freshwater fish.
    I cycled my brackish tank so am unsure how you KNOW, or what is not acceptable? Also there is no three day cycling method as I mentioned before. It isn't possible to grow the bacteria in that timeframe.

    As mentioned, a fishless cycle will depend on many variables and can take over a month. However a fish cycle takes months of stress on your fish...and yourself.
    Last edited by Boundava; 05-28-2020 at 03:51 AM.
    75 Gourami/Eel tank
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    75 Gourami Tank

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    DebinWhitmore

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