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  1. #1

    Join Date
    May 2012

    Latest gifts & ribbons:

    Default Some kind of cloudy mold or fungus growing in my QT

    0 Not allowed!
    I'm on my second round of antibiotics (Maracyn 1&2) for some kind of bacterial infection that my flame tetras have. I'm three days in on the five day course, and I see only slight improvement so far. 8 of the 9 look fine, but the largest one just doesn't seem to be shaking whatever he's got. (Pics attached. Whitish patches beneath the region of his dorsal fin, and most noticeably right next to his tail fin)

    But that's not really what I'm worried about. There is white fuzzy stuff starting to grow around the sides of the tank. Pics attached

    I'm running an Ovation 700 in my 10 gal QT with new established filter media put in before this round of meds, daily ammonia tests are coming back 0, although nitrates are dropping, so I'm expecting the cycle to crash here before long.

    This morning I double-rinsed/soaked a clean cloth in dechlorinated water and wiped up the worst of it (keeping in mind that there's beneficial bacteria in there too, so I didn't wipe down the whole thing) I took out the filter media and rinsed in dechlorinated water, took out the heater and cleaned it off.

    Should I be concerned about whatever this crud is that's growing?

  2. #2

    Join Date
    May 2010
    Glen Arm. MD

    Awards Showcase

    Latest gifts & ribbons:

    Happy Christmas - MuckyFish   thanks for advising on vegetables for my kribs! so here is a discus - ScottishFish   You help a lot - PhillipOrigami   For the bank account, and thx for the rep - Cliff   beautiful discus! - Crispy   


    0 Not allowed!
    Could be fungus but hard to believe with such a clean tank. Could just be good bacteria growing. Don't worry at all about removing all the stuff from the walls - any/all good bacteria on tank walls/equipment contributes almost zero to the tank's bio-filtration.

    Try adding extra air and raise the temp to the max safe for that fish species (and maybe a degree or two over - F only! That would be only 1 C over, metric.) Fungus hates heat and fish's immune system works better at higher temps.

    Be ready with an anti-ammonia treatment and if the filter crashes, you will be ready. Nitrites are an other issue. If they rise, large water changes and a tsp of slat per 15 gal will help a lot (but ONLY if nitrites appear.)
    Last edited by Cermet; 01-12-2013 at 02:43 PM.
    Knowledge is fun(damental)

    A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.

    For Fishless cycling:

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