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PLEASE HELP! Goldfish has finrot and seems weak

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  • Regular Member

A while back I got a new oranda which I quarantined for about a week and then added it to my 35 gallon tank with another fish. I removed the new on after it had noticeable troubles with infection, possible finrot, and swim bladder. I'm treating it in a 10 gallon with a filter and some tetracycline. But now my other goldfish, one I've had longer, has suddenly grown weak, has rotting fins, seems fairly thin, gasping at the surface, and somewhat glassy eyes. PLEASE HELP! I love this fish so much, I've had it for years!

It's a 35 gallon tank. I added some tetracycline the other day, but saw how people suggest changing 20% of the water each day to remove ammonia/nitrite/nitrate. After changing 20% I tested the water. Ammonia is 0 ppm, Nitrite is also 0 ppm, and Nitrate went down from about 20 ppm to <5 ppm.

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  • Regular Member

Welcome to Kokos.  Please fill out this form so we have more information on the conditions in your tank:

Please copy & paste the following form and fill it out to the best of your ability when requesting help for Goldfish Problems.  

If copy and paste doesn't work for you, just quote this post and put your answers after each question.

  • Test Results for the Following:
    • * Ammonia Level(Tank)
    • * Nitrite Level(Tank)
    • * Nitrate level(Tank)
    • * Ammonia Level(Tap)
    • * Nitrite Level(Tap)
    • * Nitrate level(Tap)
    • * Ph Level, Tank (If possible, KH, GH and chloramines)
    • * Ph Level, Tap (If possible, KH, GH and chloramines)
    • Other Required Info:
      • * Brand of test-kit used and whether strips or drops?
      • * Water temperature?
      • * Tank size (how many gals.) and how long has it been running?
      • * What is the name and "size of the filter"(s)?
      • * How often do you change the water and how much?
  • * How many days ago was the last water change and how much did you change?
  • * How many fish in the tank and their size?
  • * What kind of water additives or conditioners?
  • * What do you feed your fish and how often?
  • * Any new fish added to the tank?
  • * Any medications added to the tank?
  • * List entire medication/treatment history for fish and tank.Please include salt, Prazi, PP, etc and the approximate time and duration of treatment.
  • * Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus?
  • * Any unusual behavior like staying at the bottom, not eating, etc.?
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  • Regular Member



Sorry your goldfish are going thru this, but you have good people who will help you on this site !

Welcome to the forum....:hi

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  • Helper
5 hours ago, GoggleHat said:

None of this even matters because my fish died the day after I posted this.

I'm sorry your fish died.  Sometimes these conditions move very quickly.

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