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Results 1 to 8 of 8
  1. Exclamation Killed some of my fish. Help!!


    0 Not allowed!
    Hi,

    I am a new aquarium owner and, it seems, not a very good one.

    I got a 5 gallon tank and stocked it with washed gravel, 2 fake plants, a heater with a thermostat, 5 gallons of spring water treated with water conditioner and bacteria supplement. After doing all this, I added 5 1" fish. Everything looked good for about 3 weeks and all of a sudden I find 4 dead fish. The remaining fish isn't looking too good, but I'm hoping that he will survive.

    I did some water tests with my API test kit and found the following:

    amonia 4ppm
    ph 6.6
    nitrite 0ppm
    Nitrate 0ppm

    I took the following corrective action:

    Removed the dead fish
    Put Ammo Chips in my filter
    Removed 40% of the water and put in new treated water

    Is there anything else I should do and can do to prevent this happening again and to save my remaining 1 fish? How long should I wait before attempting to add more fish?

    Thanks,

    John

  2. #2

    Default


    0 Not allowed!
    5 inch in fish? Of which species? I'd say that's quite densely stocked for a 5 gallon. I get the impression you've been working on store supplied information. If you do that then the results like you get are fairly typical.

    At the moment your ammonia is at toxic high levels. Your levels indicate that there's no beneficial bacteria in your tank. There's several pieces of information here on fishless cycling, read those. If you want to attempt to save the last fish start doing 50% changes daily.

  3. Default


    0 Not allowed!
    Yep. Petsmart, which I am learning is pretty much the antichrist of pet stores. The species escapes me at the moment, but they were said to max out at 1"

    Won't changing that much water pretty much guarantee that no biological filter can take hold? I would think that the water would be kept almost fresh after a couple of days.

  4. #4

    Default


    0 Not allowed!
    Don't know the chain so no comment from me.

    At the moment you got toxic levels. Bet your remaining fish has red gills, swims sluggish and spends a lot of time gasping for air.

    That's your number 1 priority right now, after that comes establishing the bacterial load.

    don't worry, someone else will be along shortly with more experience in this. I know the theory but last time I cycled from scratch was 13 years ago.
    Last edited by talldutchie; 03-17-2013 at 01:55 PM.

  5. #5

    Default


    0 Not allowed!
    The reason for all your bad luck is that you haven't cycled your tank. In a healthy, established tank, it isn't the filter media that is most important, but the beneficial bacteria that grows on it and converts nitrite and ammonia(produced by decomposing fish waste) into the less harmful nitrate which is removed through water changes. Cycling a tank essentially is the process of accumulating these bacteria to make the tank healthy for fish.

    First off, you should remove your ammo chips. They may be a lifesaver over the short term, but if you leave them in while trying to cycle, they will absorb all the ammonia and prevent any cycle from happening. After that, you will have to closely monitor your ammonia, nitrite and nitrate levels. You should have some ammonia in your tank to keep the cycle going, but it must not exceed 0.25 ppm because levels higher than that are acutely toxic(as you must have already experienced). Control ammonia levels by doing water changes. You can do this with normal tap water instead of spring water by the ways. Eventually your ammonia should drop to zero and nitrites will appear. Again, use water changes to keep nitrites under 0.25 ppm. Once your nitrites drop to zero and nitrates start appearing, you have completed your cycle. Nitrates will remain nitrates(doesn't get converted to anything) and must be kept under 20 ppm through water changes.

    After that, add fish one by one to prevent an overload of your bacterial filter.

  6. Default


    0 Not allowed!
    follow the advice above and you'll get there.

    You asked: "Won't changing that much water pretty much guarantee that no biological filter can take hold?"
    As long as you keep Ammonia at .25 in the water, you will start growing beneficial bacterial. the water does not hold your beneficial bacteria. The filter and filter media hold the BB. you only need enough ammonia in the water at this stage to help that bb grow and .25 will do it. Eventually, you'll grow enough to kill the ammonia and the nitrites (that will come) and you'll have 0 readings on both.
    It's going to take patience and water changes.
    Good luck
    30 g FW planted:corys, ABNP, blue angel, harleys, zebra danios, pair kribs, & nerite snails
    15 g FW planted: crown tail betta, neons, snails
    90 g FW semi planted: EBJD, congos, apple snails
    90 Gal Journal: http://www.aquaticcommunity.com/aqua...ad.php?t=93939
    Fishless cycling: http://www.aquaticcommunity.com/aqua...ead.php?t=5640
    Cycling with fish: http://www.aquaticcommunity.com/aqua...ad.php?t=36492

  7. #7

    Default


    0 Not allowed!
    Read the cycling with fish thread in my signature.

  8. #8

    Join Date
    Jan 2009
    Location
    A little further from sanity
    Posts
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    Default


    0 Not allowed!
    After 3 weeks you should be reading some nitrite and nitrate as well as the ammonia. What sort of filter do you have and how do you clean it and how often?
    When I go fishing I just place a sharp rock in the water and sit there waiting for all the dead fish to float to the top... Kingfisher
    Brutal honesty will be shown on this screen.
    I think my fish is adjusting well to the four gallon, He's laying on his side attempting to go to sleep on the bottom of the gravel.
    Tolerance is a great thing to have, so is the ability to shut up.

    I can explain it to you, but I can't understand it for you.


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