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    mickeyswift's Avatar
    mickeyswift Posts: 5, Reputation: 1
    New Member

    Dec 29, 2010, 02:36 PM
    Tropical fish tank filter cycle.
    Ive just recently brought a 64ltr fish tank, I've run it for around 4 days until I put my first batch of fish in which were 4 mollys. Ive been adding the bacteria as stated and after around 7 more days I brought 6 corydoras.
    Iam NOT going to add any more fish now until the filter has been established.
    My concern is will my fish survive the cycle?
    My test shows 4.0 ppm ammonia at the minute and I'm hoping it will start to drop off soon and start the nitrite cycle.
    All the fish seem to be acting normal so far and they are all still eating.
    If any of you experts out there could give me some more advice it would be much appreciated.
    GZDZ's Avatar
    GZDZ Posts: 139, Reputation: 18
    Junior Member

    Dec 29, 2010, 07:48 PM
    4 PPM is way too high. Make a 25% water change immediately, add some "ammo-lock" as directed and put some ammo chips in the filter to take out the ammonia. Stop feeding the fish for a few days! The food and fish waste are what is causing the ammonia spike, not the cycling. You should always wait at least a week or two before adding fish to a new tank! It takes that long for the bacteria to get established.

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