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Results 1 to 5 of 5
  1. Default Guppies dying with same symptoms

    0 Not allowed!

    My name is Jacob. I'm new to this website. I came here because I am having a problem with guppies dying in my aquarium.

    Recently (within the past 2 weeks) I completely cleaned out my aquarium to start new. I previously had about 100 guppies and my tank was overrun (and getting filthy). I restarted with fresh water and about 18-20 male guppies (to stop the breeding).

    About half a week ago, several of my guppies started dying. Since then, 4 or 5 have died all with the same symptoms.
    • Darkened fins/body
    • Rotting fins (they fell right off when I scooped them out of the tank)
    • Pale/bloated belly area (more so on some than on others)

    They have all died the same way, so I am assuming it is either some sort of disease or something to do with the water conditions. (It is all fairly fresh water and I used multi-purpose bio-support and multi-purpose aquarium water conditioner which are supposed to help with water condition)

    If it helps, there is also a tetra in the aquarium.

    If you know anything about this and/or how to treat it, the help is greatly appreciated!

    Thanks in advance!

  2. #2

    Join Date
    Jan 2009
    A little further from sanity

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    3 Not allowed!
    You completely cleaned this tank, did you maintain the cycle or is the tank cycling again? Have you tested the ammonia, nitrite, and nitrate levels yet? Once we know the parameters we can better diagnose what is happening.
    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.

  3. Default

    0 Not allowed!
    You also don't mention what size tank this is, type of filter.

  4. #4


    0 Not allowed!
    +1 - Yes, for all we know, you are using a small tank and shouldn't even be housing that many guppies.
    46 gal fw tank with black skirt tetras, neon tetras, spotted corys, green corys, 1 guppy, cherry barbs, otoclinus, snails & 4 amano shrimp - plastic & live plants
    5 gal QT with green corys & 2 guppies

  5. #5


    0 Not allowed!
    Yes, you need to provide lots more info, particularly results of your water testing. Blackened fins could be ammonia burns (so check the water quality), but coupled with rotting fins could be fin rot (which is precipitated by bad water quality and/or low temperatures so, again, test your water).

    In addition to ammonia, nitrites and nitrates, what are your pH and temperature?

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